octave-nkf: src/DLD-FUNCTIONS/qr.cc annotate

annotate src/DLD-FUNCTIONS/qr.cc @ 10155:d0ce5e973937

DLD-FUNCTIONS/*.cc: delete Emacs local-variables settings

author	John W. Eaton <jwe@octave.org>
date	Wed, 20 Jan 2010 17:40:53 -0500
parents	40dfc0c99116
children	e317791645c4

rev	line source
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	1 /*
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	2
7017 a1dbe9d80eee [project @ 2007-10-12 21:27:11 by jwe] jwe parents: 7016 diff changeset	3 Copyright (C) 1996, 1997, 1999, 2000, 2005, 2006, 2007 John W. Eaton
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	4 Copyright (C) 2008, 2009 Jaroslav Hajek
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	5 Copyright (C) 2008, 2009 VZLU Prague
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	6
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	7 This file is part of Octave.
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	8
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	9 Octave is free software; you can redistribute it and/or modify it
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	10 under the terms of the GNU General Public License as published by the
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6484 diff changeset	11 Free Software Foundation; either version 3 of the License, or (at your
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6484 diff changeset	12 option) any later version.
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	13
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	14 Octave is distributed in the hope that it will be useful, but WITHOUT
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	15 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	16 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	17 for more details.
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	18
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	19 You should have received a copy of the GNU General Public License
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6484 diff changeset	20 along with Octave; see the file COPYING. If not, see
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6484 diff changeset	21 <http://www.gnu.org/licenses/>.
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	22
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	23 */
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	24
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	25 #ifdef HAVE_CONFIG_H
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	26 #include <config.h>
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	27 #endif
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	28
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	29 #include "CmplxQR.h"
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	30 #include "CmplxQRP.h"
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	31 #include "dbleQR.h"
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	32 #include "dbleQRP.h"
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7700 diff changeset	33 #include "fCmplxQR.h"
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7700 diff changeset	34 #include "fCmplxQRP.h"
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7700 diff changeset	35 #include "floatQR.h"
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7700 diff changeset	36 #include "floatQRP.h"
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	37 #include "SparseQR.h"
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	38 #include "SparseCmplxQR.h"
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	39
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	40
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	41 #include "defun-dld.h"
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	42 #include "error.h"
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	43 #include "gripes.h"
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	44 #include "oct-obj.h"
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	45 #include "utils.h"
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	46
8869 c3b743b1b1c6 preset triangular type if possible for lu and qr outputs Jaroslav Hajek <highegg@gmail.com> parents: 8811 diff changeset	47 template <class MT>
c3b743b1b1c6 preset triangular type if possible for lu and qr outputs Jaroslav Hajek <highegg@gmail.com> parents: 8811 diff changeset	48 static octave_value
9715 9f27172fbd1e auto-set MatrixType from certain functions Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	49 get_qr_r (const base_qr<MT>& fact)
8869 c3b743b1b1c6 preset triangular type if possible for lu and qr outputs Jaroslav Hajek <highegg@gmail.com> parents: 8811 diff changeset	50 {
9715 9f27172fbd1e auto-set MatrixType from certain functions Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	51 MT R = fact.R ();
9f27172fbd1e auto-set MatrixType from certain functions Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	52 if (R.is_square () && fact.regular ())
9f27172fbd1e auto-set MatrixType from certain functions Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	53 return octave_value (R, MatrixType (MatrixType::Upper));
8869 c3b743b1b1c6 preset triangular type if possible for lu and qr outputs Jaroslav Hajek <highegg@gmail.com> parents: 8811 diff changeset	54 else
9715 9f27172fbd1e auto-set MatrixType from certain functions Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	55 return R;
8869 c3b743b1b1c6 preset triangular type if possible for lu and qr outputs Jaroslav Hajek <highegg@gmail.com> parents: 8811 diff changeset	56 }
c3b743b1b1c6 preset triangular type if possible for lu and qr outputs Jaroslav Hajek <highegg@gmail.com> parents: 8811 diff changeset	57
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	58 // [Q, R] = qr (X): form Q unitary and R upper triangular such
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	59 // that Q * R = X
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	60 //
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	61 // [Q, R] = qr (X, 0): form the economy decomposition such that if X is
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	62 // m by n then only the first n columns of Q are
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	63 // computed.
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	64 //
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	65 // [Q, R, P] = qr (X): form QRP factorization of X where
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	66 // P is a permutation matrix such that
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	67 // A * P = Q * R
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	68 //
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	69 // [Q, R, P] = qr (X, 0): form the economy decomposition with
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	70 // permutation vector P such that Q * R = X (:, P)
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	71 //
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	72 // qr (X) alone returns the output of the LAPACK routine dgeqrf, such
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	73 // that R = triu (qr (X))
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	74
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	75 DEFUN_DLD (qr, args, nargout,
3548 ab7fa5a8f23f [project @ 2000-02-03 01:17:15 by jwe] jwe parents: 3372 diff changeset	76 "-- texinfo --\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	77 @deftypefn {Loadable Function} {[@var{q}, @var{r}, @var{p}] =} qr (@var{a})\n\
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	78 @deftypefnx {Loadable Function} {[@var{q}, @var{r}, @var{p}] =} qr (@var{a}, '0')\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	79 @cindex QR factorization\n\
9209 923c7cb7f13f Simplify TeXinfo files by eliminating redundant @iftex followed by @tex construction. Rik <rdrider0-list@yahoo.com> parents: 9064 diff changeset	80 Compute the QR factorization of @var{a}, using standard @sc{lapack}\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	81 subroutines. For example, given the matrix @code{a = [1, 2; 3, 4]},\n\
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	82 \n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	83 @example\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	84 [q, r] = qr (a)\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	85 @end example\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	86 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	87 @noindent\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	88 returns\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	89 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	90 @example\n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 8869 diff changeset	91 @group\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	92 q =\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	93 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	94 -0.31623 -0.94868\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	95 -0.94868 0.31623\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	96 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	97 r =\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	98 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	99 -3.16228 -4.42719\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	100 0.00000 -0.63246\n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 8869 diff changeset	101 @end group\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	102 @end example\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	103 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	104 The @code{qr} factorization has applications in the solution of least\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	105 squares problems\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	106 @tex\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	107 $$\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	108 \\min_x \\left\\Vert A x - b \\right\\Vert_2\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	109 $$\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	110 @end tex\n\
8517 81d6ab3ac93c Allow documentation tobe built for other formats than tex and info sh@sh-laptop parents: 8469 diff changeset	111 @ifnottex\n\
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	112 \n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	113 @example\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	114 @code{min norm(A x - b)}\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	115 @end example\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	116 \n\
8517 81d6ab3ac93c Allow documentation tobe built for other formats than tex and info sh@sh-laptop parents: 8469 diff changeset	117 @end ifnottex\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	118 for overdetermined systems of equations (i.e.,\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	119 @tex\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	120 $A$\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	121 @end tex\n\
8517 81d6ab3ac93c Allow documentation tobe built for other formats than tex and info sh@sh-laptop parents: 8469 diff changeset	122 @ifnottex\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	123 @code{a}\n\
8517 81d6ab3ac93c Allow documentation tobe built for other formats than tex and info sh@sh-laptop parents: 8469 diff changeset	124 @end ifnottex\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	125 is a tall, thin matrix). The QR factorization is\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	126 @tex\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	127 $QR = A$ where $Q$ is an orthogonal matrix and $R$ is upper triangular.\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	128 @end tex\n\
8517 81d6ab3ac93c Allow documentation tobe built for other formats than tex and info sh@sh-laptop parents: 8469 diff changeset	129 @ifnottex\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	130 @code{q * r = a} where @code{q} is an orthogonal matrix and @code{r} is\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	131 upper triangular.\n\
8517 81d6ab3ac93c Allow documentation tobe built for other formats than tex and info sh@sh-laptop parents: 8469 diff changeset	132 @end ifnottex\n\
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	133 \n\
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	134 If given a second argument of '0', @code{qr} returns an economy-sized\n\
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	135 QR factorization, omitting zero rows of @var{R} and the corresponding\n\
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	136 columns of @var{Q}.\n\
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	137 \n\
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	138 If the matrix @var{a} is full, the permuted QR factorization\n\
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	139 @code{[@var{q}, @var{r}, @var{p}] = qr (@var{a})} forms the QR factorization\n\
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	140 such that the diagonal entries of @code{r} are decreasing in magnitude\n\
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	141 order. For example,given the matrix @code{a = [1, 2; 3, 4]},\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	142 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	143 @example\n\
3600 c11d138d654a [project @ 2000-02-24 03:55:32 by jwe] jwe parents: 3548 diff changeset	144 [q, r, p] = qr(a)\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	145 @end example\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	146 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	147 @noindent\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	148 returns\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	149 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	150 @example\n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 8869 diff changeset	151 @group\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	152 q = \n\
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	153 \n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	154 -0.44721 -0.89443\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	155 -0.89443 0.44721\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	156 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	157 r =\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	158 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	159 -4.47214 -3.13050\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	160 0.00000 0.44721\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	161 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	162 p =\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	163 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	164 0 1\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	165 1 0\n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 8869 diff changeset	166 @end group\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	167 @end example\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	168 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	169 The permuted @code{qr} factorization @code{[q, r, p] = qr (a)}\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	170 factorization allows the construction of an orthogonal basis of\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	171 @code{span (a)}.\n\
7491 7879ef1042a8 qr doc fix Jaroslav Hajek parents: 7017 diff changeset	172 \n\
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	173 If the matrix @var{a} is sparse, then compute the sparse QR factorization\n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 8869 diff changeset	174 of @var{a}, using @sc{CSparse}. As the matrix @var{Q} is in general a full\n\
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	175 matrix, this function returns the @var{Q}-less factorization @var{r} of\n\
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	176 @var{a}, such that @code{@var{r} = chol (@var{a}' * @var{a})}.\n\
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	177 \n\
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	178 If the final argument is the scalar @code{0} and the number of rows is\n\
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	179 larger than the number of columns, then an economy factorization is\n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 8869 diff changeset	180 returned. That is @var{r} will have only @code{size (@var{a},1)} rows.\n\
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	181 \n\
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	182 If an additional matrix @var{b} is supplied, then @code{qr} returns\n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 8869 diff changeset	183 @var{c}, where @code{@var{c} = @var{q}' * @var{b}}. This allows the\n\
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	184 least squares approximation of @code{@var{a} \\ @var{b}} to be calculated\n\
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	185 as\n\
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	186 \n\
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	187 @example\n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 8869 diff changeset	188 @group\n\
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	189 [@var{c},@var{r}] = spqr (@var{a},@var{b})\n\
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	190 @var{x} = @var{r} \\ @var{c}\n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 8869 diff changeset	191 @end group\n\
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	192 @end example\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	193 @end deftypefn")
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	194 {
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	195 octave_value_list retval;
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	196
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	197 int nargin = args.length ();
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	198
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	199 if (nargin < 1 \|\| nargin > (args(0).is_sparse_type() ? 3 : 2))
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	200 {
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5307 diff changeset	201 print_usage ();
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	202 return retval;
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	203 }
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	204
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	205 octave_value arg = args(0);
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	206
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	207 int arg_is_empty = empty_arg ("qr", arg.rows (), arg.columns ());
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	208
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	209 if (arg_is_empty < 0)
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	210 return retval;
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	211
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	212 if (arg.is_sparse_type ())
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	213 {
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	214 bool economy = false;
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	215 bool is_cmplx = false;
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	216 int have_b = 0;
3068 17e2f90e0d3b [project @ 1997-07-08 02:17:36 by jwe] jwe parents: 3014 diff changeset	217
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	218 if (arg.is_complex_type ())
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	219 is_cmplx = true;
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	220 if (nargin > 1)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	221 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	222 have_b = 1;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	223 if (args(nargin-1).is_scalar_type ())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	224 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	225 int val = args(nargin-1).int_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	226 if (val == 0)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	227 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	228 economy = true;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	229 have_b = (nargin > 2 ? 2 : 0);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	230 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	231 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	232 if (have_b > 0 && args(have_b).is_complex_type ())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	233 is_cmplx = true;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	234 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	235
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	236 if (!error_state)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	237 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	238 if (have_b && nargout < 2)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	239 error ("qr: incorrect number of output arguments");
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	240 else if (is_cmplx)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	241 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	242 SparseComplexQR q (arg.sparse_complex_matrix_value ());
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	243 if (!error_state)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	244 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	245 if (have_b > 0)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	246 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	247 retval(1) = q.R (economy);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	248 retval(0) = q.C (args(have_b).complex_matrix_value ());
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	249 if (arg.rows() < arg.columns())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	250 warning ("qr: non minimum norm solution for under-determined problem");
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	251 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	252 else if (nargout > 1)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	253 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	254 retval(1) = q.R (economy);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	255 retval(0) = q.Q ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	256 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	257 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	258 retval(0) = q.R (economy);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	259 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	260 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	261 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	262 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	263 SparseQR q (arg.sparse_matrix_value ());
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	264 if (!error_state)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	265 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	266 if (have_b > 0)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	267 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	268 retval(1) = q.R (economy);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	269 retval(0) = q.C (args(have_b).matrix_value ());
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	270 if (args(0).rows() < args(0).columns())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	271 warning ("qr: non minimum norm solution for under-determined problem");
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	272 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	273 else if (nargout > 1)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	274 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	275 retval(1) = q.R (economy);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	276 retval(0) = q.Q ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	277 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	278 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	279 retval(0) = q.R (economy);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	280 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	281 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	282 }
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	283 }
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	284 else
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	285 {
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	286 QR::type type = (nargout == 0 \|\| nargout == 1) ? QR::raw
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	287 : (nargin == 2 ? QR::economy : QR::std);
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	288
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7700 diff changeset	289 if (arg.is_single_type ())
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	290 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	291 if (arg.is_real_type ())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	292 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	293 FloatMatrix m = arg.float_matrix_value ();
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	294
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	295 if (! error_state)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	296 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	297 switch (nargout)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	298 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	299 case 0:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	300 case 1:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	301 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	302 FloatQR fact (m, type);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	303 retval(0) = fact.R ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	304 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	305 break;
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	306
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	307 case 2:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	308 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	309 FloatQR fact (m, type);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	310 retval(1) = get_qr_r (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	311 retval(0) = fact.Q ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	312 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	313 break;
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	314
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	315 default:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	316 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	317 FloatQRP fact (m, type);
8367 445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	318 if (type == QR::economy)
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	319 retval(2) = fact.Pvec ();
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	320 else
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	321 retval(2) = fact.P ();
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	322 retval(1) = get_qr_r (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	323 retval(0) = fact.Q ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	324 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	325 break;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	326 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	327 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	328 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	329 else if (arg.is_complex_type ())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	330 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	331 FloatComplexMatrix m = arg.float_complex_matrix_value ();
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7700 diff changeset	332
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	333 if (! error_state)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	334 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	335 switch (nargout)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	336 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	337 case 0:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	338 case 1:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	339 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	340 FloatComplexQR fact (m, type);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	341 retval(0) = fact.R ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	342 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	343 break;
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	344
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	345 case 2:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	346 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	347 FloatComplexQR fact (m, type);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	348 retval(1) = get_qr_r (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	349 retval(0) = fact.Q ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	350 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	351 break;
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	352
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	353 default:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	354 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	355 FloatComplexQRP fact (m, type);
8367 445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	356 if (type == QR::economy)
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	357 retval(2) = fact.Pvec ();
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	358 else
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	359 retval(2) = fact.P ();
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	360 retval(1) = get_qr_r (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	361 retval(0) = fact.Q ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	362 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	363 break;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	364 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	365 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	366 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	367 }
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	368 else
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	369 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	370 if (arg.is_real_type ())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	371 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	372 Matrix m = arg.matrix_value ();
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7700 diff changeset	373
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	374 if (! error_state)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	375 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	376 switch (nargout)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	377 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	378 case 0:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	379 case 1:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	380 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	381 QR fact (m, type);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	382 retval(0) = fact.R ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	383 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	384 break;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7700 diff changeset	385
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	386 case 2:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	387 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	388 QR fact (m, type);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	389 retval(1) = get_qr_r (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	390 retval(0) = fact.Q ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	391 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	392 break;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7700 diff changeset	393
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	394 default:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	395 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	396 QRP fact (m, type);
8367 445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	397 if (type == QR::economy)
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	398 retval(2) = fact.Pvec ();
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	399 else
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	400 retval(2) = fact.P ();
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	401 retval(1) = get_qr_r (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	402 retval(0) = fact.Q ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	403 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	404 break;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	405 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	406 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	407 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	408 else if (arg.is_complex_type ())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	409 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	410 ComplexMatrix m = arg.complex_matrix_value ();
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7700 diff changeset	411
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	412 if (! error_state)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	413 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	414 switch (nargout)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	415 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	416 case 0:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	417 case 1:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	418 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	419 ComplexQR fact (m, type);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	420 retval(0) = fact.R ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	421 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	422 break;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7700 diff changeset	423
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	424 case 2:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	425 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	426 ComplexQR fact (m, type);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	427 retval(1) = get_qr_r (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	428 retval(0) = fact.Q ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	429 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	430 break;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7700 diff changeset	431
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	432 default:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	433 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	434 ComplexQRP fact (m, type);
8367 445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	435 if (type == QR::economy)
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	436 retval(2) = fact.Pvec ();
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	437 else
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	438 retval(2) = fact.P ();
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	439 retval(1) = get_qr_r (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	440 retval(0) = fact.Q ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	441 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	442 break;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	443 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	444 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	445 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	446 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	447 gripe_wrong_type_arg ("qr", arg);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	448 }
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	449 }
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	450
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	451 return retval;
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	452 }
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	453
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	454 /*
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	455
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	456 %!test
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	457 %! a = [0, 2, 1; 2, 1, 2];
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	458 %!
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	459 %! [q, r] = qr (a);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	460 %!
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	461 %! [qe, re] = qr (a, 0);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	462 %!
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	463 %! assert (q * r, a, sqrt (eps));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	464 %! assert (qe * re, a, sqrt (eps));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	465
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	466 %!test
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	467 %! a = [0, 2, 1; 2, 1, 2];
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	468 %!
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	469 %! [q, r, p] = qr (a); # not giving right dimensions. FIXME
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	470 %!
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	471 %! [qe, re, pe] = qr (a, 0);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	472 %!
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	473 %! assert (q * r, a * p, sqrt (eps));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	474 %! assert (qe * re, a(:, pe), sqrt (eps));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	475
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	476 %!test
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	477 %! a = [0, 2; 2, 1; 1, 2];
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	478 %!
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	479 %! [q, r] = qr (a);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	480 %!
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	481 %! [qe, re] = qr (a, 0);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	482 %!
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	483 %! assert (q * r, a, sqrt (eps));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	484 %! assert (qe * re, a, sqrt (eps));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	485
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	486 %!test
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	487 %! a = [0, 2; 2, 1; 1, 2];
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	488 %!
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	489 %! [q, r, p] = qr (a);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	490 %!
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	491 %! [qe, re, pe] = qr (a, 0);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	492 %!
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	493 %! assert (q * r, a * p, sqrt (eps));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	494 %! assert (qe * re, a(:, pe), sqrt (eps));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	495
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	496 %!error <Invalid call to qr.*> qr ();
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	497 %!error <Invalid call to qr.*> qr ([1, 2; 3, 4], 0, 2);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	498
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	499 %!function retval = testqr (q, r, a, p)
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	500 %! tol = 100*eps (class(q));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	501 %! retval = 0;
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	502 %! if (nargin == 3)
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	503 %! n1 = norm (q*r-a);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	504 %! n2 = norm (q'*q-eye(columns(q)));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	505 %! retval = (n1 < tol && n2 < tol);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	506 %! else
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	507 %! n1 = norm (q'*q-eye(columns(q)));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	508 %! retval = (n1 < tol);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	509 %! if (isvector (p))
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	510 %! n2 = norm (q*r-a(:,p));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	511 %! retval = (retval && n2 < tol);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	512 %! else
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	513 %! n2 = norm (qr - ap);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	514 %! retval = (retval && n2 < tol);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	515 %! endif
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	516 %! endif
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	517 %!test
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	518 %!
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	519 %! t = ones (24, 1);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	520 %! j = 1;
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	521 %!
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	522 %! if false # eliminate big matrix tests
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	523 %! a = rand(5000,20);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	524 %! [q,r]=qr(a,0); t(j++) = testqr(q,r,a);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	525 %! [q,r]=qr(a',0); t(j++) = testqr(q,r,a');
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	526 %! [q,r,p]=qr(a,0); t(j++) = testqr(q,r,a,p);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	527 %! [q,r,p]=qr(a',0); t(j++) = testqr(q,r,a',p);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	528 %!
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	529 %! a = a+1i*eps;
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	530 %! [q,r]=qr(a,0); t(j++) = testqr(q,r,a);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	531 %! [q,r]=qr(a',0); t(j++) = testqr(q,r,a');
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	532 %! [q,r,p]=qr(a,0); t(j++) = testqr(q,r,a,p);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	533 %! [q,r,p]=qr(a',0); t(j++) = testqr(q,r,a',p);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	534 %! endif
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	535 %!
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	536 %! a = [ ones(1,15); sqrt(eps)*eye(15) ];
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	537 %! [q,r]=qr(a); t(j++) = testqr(q,r,a);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	538 %! [q,r]=qr(a'); t(j++) = testqr(q,r,a');
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	539 %! [q,r,p]=qr(a); t(j++) = testqr(q,r,a,p);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	540 %! [q,r,p]=qr(a'); t(j++) = testqr(q,r,a',p);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	541 %!
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	542 %! a = a+1i*eps;
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	543 %! [q,r]=qr(a); t(j++) = testqr(q,r,a);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	544 %! [q,r]=qr(a'); t(j++) = testqr(q,r,a');
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	545 %! [q,r,p]=qr(a); t(j++) = testqr(q,r,a,p);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	546 %! [q,r,p]=qr(a'); t(j++) = testqr(q,r,a',p);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	547 %!
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	548 %! a = [ ones(1,15); sqrt(eps)*eye(15) ];
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	549 %! [q,r]=qr(a,0); t(j++) = testqr(q,r,a);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	550 %! [q,r]=qr(a',0); t(j++) = testqr(q,r,a');
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	551 %! [q,r,p]=qr(a,0); t(j++) = testqr(q,r,a,p);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	552 %! [q,r,p]=qr(a',0); t(j++) = testqr(q,r,a',p);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	553 %!
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	554 %! a = a+1i*eps;
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	555 %! [q,r]=qr(a,0); t(j++) = testqr(q,r,a);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	556 %! [q,r]=qr(a',0); t(j++) = testqr(q,r,a');
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	557 %! [q,r,p]=qr(a,0); t(j++) = testqr(q,r,a,p);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	558 %! [q,r,p]=qr(a',0); t(j++) = testqr(q,r,a',p);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	559 %!
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	560 %! a = [
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	561 %! 611 196 -192 407 -8 -52 -49 29
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	562 %! 196 899 113 -192 -71 -43 -8 -44
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	563 %! -192 113 899 196 61 49 8 52
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	564 %! 407 -192 196 611 8 44 59 -23
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	565 %! -8 -71 61 8 411 -599 208 208
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	566 %! -52 -43 49 44 -599 411 208 208
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	567 %! -49 -8 8 59 208 208 99 -911
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	568 %! 29 -44 52 -23 208 208 -911 99
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	569 %! ];
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	570 %! [q,r] = qr(a);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	571 %!
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	572 %! assert(all (t) && norm(qr-a) < 5000eps);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	573
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	574 %!test
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	575 %! a = single ([0, 2, 1; 2, 1, 2]);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	576 %!
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	577 %! [q, r] = qr (a);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	578 %!
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	579 %! [qe, re] = qr (a, 0);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	580 %!
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	581 %! assert (q * r, a, sqrt (eps ('single')));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	582 %! assert (qe * re, a, sqrt (eps ('single')));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	583
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	584 %!test
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	585 %! a = single([0, 2, 1; 2, 1, 2]);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	586 %!
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	587 %! [q, r, p] = qr (a); # not giving right dimensions. FIXME
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	588 %!
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	589 %! [qe, re, pe] = qr (a, 0);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	590 %!
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	591 %! assert (q * r, a * p, sqrt (eps('single')));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	592 %! assert (qe * re, a(:, pe), sqrt (eps('single')));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	593
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	594 %!test
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	595 %! a = single([0, 2; 2, 1; 1, 2]);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	596 %!
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	597 %! [q, r] = qr (a);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	598 %!
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	599 %! [qe, re] = qr (a, 0);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	600 %!
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	601 %! assert (q * r, a, sqrt (eps('single')));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	602 %! assert (qe * re, a, sqrt (eps('single')));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	603
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	604 %!test
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	605 %! a = single([0, 2; 2, 1; 1, 2]);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	606 %!
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	607 %! [q, r, p] = qr (a);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	608 %!
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	609 %! [qe, re, pe] = qr (a, 0);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	610 %!
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	611 %! assert (q * r, a * p, sqrt (eps('single')));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	612 %! assert (qe * re, a(:, pe), sqrt (eps('single')));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	613
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	614 %!error <Invalid call to qr.*> qr ();
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	615 %!error <Invalid call to qr.*> qr ([1, 2; 3, 4], 0, 2);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	616
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	617 %!test
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	618 %!
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	619 %! t = ones (24, 1);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	620 %! j = 1;
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	621 %!
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	622 %! if false # eliminate big matrix tests
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	623 %! a = rand(5000,20);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	624 %! [q,r]=qr(a,0); t(j++) = testqr(q,r,a);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	625 %! [q,r]=qr(a',0); t(j++) = testqr(q,r,a');
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	626 %! [q,r,p]=qr(a,0); t(j++) = testqr(q,r,a,p);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	627 %! [q,r,p]=qr(a',0); t(j++) = testqr(q,r,a',p);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	628 %!
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	629 %! a = a+1i*eps('single');
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	630 %! [q,r]=qr(a,0); t(j++) = testqr(q,r,a);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	631 %! [q,r]=qr(a',0); t(j++) = testqr(q,r,a');
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	632 %! [q,r,p]=qr(a,0); t(j++) = testqr(q,r,a,p);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	633 %! [q,r,p]=qr(a',0); t(j++) = testqr(q,r,a',p);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	634 %! endif
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	635 %!
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	636 %! a = [ ones(1,15); sqrt(eps('single'))*eye(15) ];
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	637 %! [q,r]=qr(a); t(j++) = testqr(q,r,a);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	638 %! [q,r]=qr(a'); t(j++) = testqr(q,r,a');
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	639 %! [q,r,p]=qr(a); t(j++) = testqr(q,r,a,p);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	640 %! [q,r,p]=qr(a'); t(j++) = testqr(q,r,a',p);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	641 %!
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	642 %! a = a+1i*eps('single');
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	643 %! [q,r]=qr(a); t(j++) = testqr(q,r,a);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	644 %! [q,r]=qr(a'); t(j++) = testqr(q,r,a');
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	645 %! [q,r,p]=qr(a); t(j++) = testqr(q,r,a,p);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	646 %! [q,r,p]=qr(a'); t(j++) = testqr(q,r,a',p);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	647 %!
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	648 %! a = [ ones(1,15); sqrt(eps('single'))*eye(15) ];
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	649 %! [q,r]=qr(a,0); t(j++) = testqr(q,r,a);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	650 %! [q,r]=qr(a',0); t(j++) = testqr(q,r,a');
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	651 %! [q,r,p]=qr(a,0); t(j++) = testqr(q,r,a,p);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	652 %! [q,r,p]=qr(a',0); t(j++) = testqr(q,r,a',p);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	653 %!
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	654 %! a = a+1i*eps('single');
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	655 %! [q,r]=qr(a,0); t(j++) = testqr(q,r,a);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	656 %! [q,r]=qr(a',0); t(j++) = testqr(q,r,a');
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	657 %! [q,r,p]=qr(a,0); t(j++) = testqr(q,r,a,p);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	658 %! [q,r,p]=qr(a',0); t(j++) = testqr(q,r,a',p);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	659 %!
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	660 %! a = [
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	661 %! 611 196 -192 407 -8 -52 -49 29
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	662 %! 196 899 113 -192 -71 -43 -8 -44
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	663 %! -192 113 899 196 61 49 8 52
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	664 %! 407 -192 196 611 8 44 59 -23
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	665 %! -8 -71 61 8 411 -599 208 208
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	666 %! -52 -43 49 44 -599 411 208 208
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	667 %! -49 -8 8 59 208 208 99 -911
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	668 %! 29 -44 52 -23 208 208 -911 99
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	669 %! ];
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	670 %! [q,r] = qr(a);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	671 %!
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	672 %! assert(all (t) && norm(qr-a) < 5000eps('single'));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	673
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	674 %% The deactivated tests below can't be tested till rectangular back-subs is
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	675 %% implemented for sparse matrices.
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	676
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	677 %!testif HAVE_CXSPARSE
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	678 %! n = 20; d= 0.2;
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	679 %! a = sprandn(n,n,d)+speye(n,n);
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	680 %! r = qr(a);
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	681 %! assert(r'r,a'a,1e-10)
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	682
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	683 %!testif HAVE_CXSPARSE
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	684 %! n = 20; d= 0.2;
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	685 %! a = sprandn(n,n,d)+speye(n,n);
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	686 %! q = symamd(a);
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	687 %! a = a(q,q);
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	688 %! r = qr(a);
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	689 %! assert(r'r,a'a,1e-10)
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	690
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	691 %!testif HAVE_CXSPARSE
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	692 %! n = 20; d= 0.2;
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	693 %! a = sprandn(n,n,d)+speye(n,n);
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	694 %! [c,r] = qr(a,ones(n,1));
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	695 %! assert (r\c,full(a)\ones(n,1),10e-10)
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	696
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	697 %!testif HAVE_CXSPARSE
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	698 %! n = 20; d= 0.2;
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	699 %! a = sprandn(n,n,d)+speye(n,n);
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	700 %! b = randn(n,2);
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	701 %! [c,r] = qr(a,b);
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	702 %! assert (r\c,full(a)\b,10e-10)
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	703
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	704 %% Test under-determined systems!!
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	705 %!#testif HAVE_CXSPARSE
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	706 %! n = 20; d= 0.2;
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	707 %! a = sprandn(n,n+1,d)+speye(n,n+1);
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	708 %! b = randn(n,2);
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	709 %! [c,r] = qr(a,b);
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	710 %! assert (r\c,full(a)\b,10e-10)
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	711
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	712 %!testif HAVE_CXSPARSE
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	713 %! n = 20; d= 0.2;
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	714 %! a = 1i*sprandn(n,n,d)+speye(n,n);
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	715 %! r = qr(a);
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	716 %! assert(r'r,a'a,1e-10)
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	717
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	718 %!testif HAVE_CXSPARSE
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	719 %! n = 20; d= 0.2;
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	720 %! a = 1i*sprandn(n,n,d)+speye(n,n);
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	721 %! q = symamd(a);
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	722 %! a = a(q,q);
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	723 %! r = qr(a);
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	724 %! assert(r'r,a'a,1e-10)
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	725
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	726 %!testif HAVE_CXSPARSE
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	727 %! n = 20; d= 0.2;
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	728 %! a = 1i*sprandn(n,n,d)+speye(n,n);
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	729 %! [c,r] = qr(a,ones(n,1));
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	730 %! assert (r\c,full(a)\ones(n,1),10e-10)
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	731
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	732 %!testif HAVE_CXSPARSE
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	733 %! n = 20; d= 0.2;
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	734 %! a = 1i*sprandn(n,n,d)+speye(n,n);
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	735 %! b = randn(n,2);
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	736 %! [c,r] = qr(a,b);
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	737 %! assert (r\c,full(a)\b,10e-10)
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	738
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	739 %% Test under-determined systems!!
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	740 %!#testif HAVE_CXSPARSE
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	741 %! n = 20; d= 0.2;
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	742 %! a = 1i*sprandn(n,n+1,d)+speye(n,n+1);
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	743 %! b = randn(n,2);
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	744 %! [c,r] = qr(a,b);
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	745 %! assert (r\c,full(a)\b,10e-10)
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	746
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	747 %!error qr(sprandn(10,10,0.2),ones(10,1));
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	748
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	749 */
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	750
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	751 static
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	752 bool check_qr_dims (const octave_value& q, const octave_value& r,
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	753 bool allow_ecf = false)
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	754 {
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	755 octave_idx_type m = q.rows (), k = r.rows (), n = r.columns ();
8798 53f8fca6dd69 fix typo in qr.cc Jaroslav Hajek <highegg@gmail.com> parents: 8597 diff changeset	756 return ((q.ndims () == 2 && r.ndims () == 2 && k == q.columns ())
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	757 && (m == k \|\| (allow_ecf && k == n && k < m)));
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	758 }
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	759
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	760 static
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	761 bool check_index (const octave_value& i, bool vector_allowed = false)
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	762 {
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	763 return ((i.is_real_type () \|\| i.is_integer_type ())
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	764 && (i.is_scalar_type () \|\| vector_allowed));
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	765 }
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	766
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	767 DEFUN_DLD (qrupdate, args, ,
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	768 "-- texinfo --\n\
7650 eb7bdde776f2 Texinfo fixes John W. Eaton <jwe@octave.org> parents: 7560 diff changeset	769 @deftypefn {Loadable Function} {[@var{Q1}, @var{R1}] =} qrupdate (@var{Q}, @var{R}, @var{u}, @var{v})\n\
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	770 Given a QR@tie{}factorization of a real or complex matrix\n\
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	771 @w{@var{A} = @var{Q}*@var{R}}, @var{Q}@tie{}unitary and\n\
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	772 @var{R}@tie{}upper trapezoidal, return the QR@tie{}factorization\n\
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	773 of @w{@var{A} + @var{u}*@var{v}'}, where @var{u} and @var{v} are\n\
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	774 column vectors (rank-1 update) or matrices with equal number of columns\n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 8869 diff changeset	775 (rank-k update). Notice that the latter case is done as a sequence of rank-1 updates;\n\
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	776 thus, for k large enough, it will be both faster and more accurate to recompute\n\
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	777 the factorization from scratch.\n\
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	778 \n\
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	779 The QR factorization supplied may be either full\n\
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	780 (Q is square) or economized (R is square).\n\
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	781 \n\
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	782 @seealso{qr, qrinsert, qrdelete}\n\
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	783 @end deftypefn")
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	784 {
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	785 octave_idx_type nargin = args.length ();
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	786 octave_value_list retval;
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	787
7559 07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	788 if (nargin != 4)
07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	789 {
07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	790 print_usage ();
07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	791 return retval;
07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	792 }
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	793
7559 07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	794 octave_value argq = args(0);
07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	795 octave_value argr = args(1);
07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	796 octave_value argu = args(2);
07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	797 octave_value argv = args(3);
07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	798
8469 830a03b5f165 qr.cc: require args to be numeric, not necessarily matrix objects John W. Eaton <jwe@octave.org> parents: 8367 diff changeset	799 if (argq.is_numeric_type () && argr.is_numeric_type ()
830a03b5f165 qr.cc: require args to be numeric, not necessarily matrix objects John W. Eaton <jwe@octave.org> parents: 8367 diff changeset	800 && argu.is_numeric_type () && argv.is_numeric_type ())
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	801 {
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	802 if (check_qr_dims (argq, argr, true))
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	803 {
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	804 if (argq.is_real_type ()
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	805 && argr.is_real_type ()
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	806 && argu.is_real_type ()
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	807 && argv.is_real_type ())
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	808 {
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	809 // all real case
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	810 if (argq.is_single_type ()
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	811 \|\| argr.is_single_type ()
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	812 \|\| argu.is_single_type ()
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	813 \|\| argv.is_single_type ())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	814 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	815 FloatMatrix Q = argq.float_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	816 FloatMatrix R = argr.float_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	817 FloatMatrix u = argu.float_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	818 FloatMatrix v = argv.float_matrix_value ();
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	819
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	820 FloatQR fact (Q, R);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	821 fact.update (u, v);
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	822
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	823 retval(1) = get_qr_r (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	824 retval(0) = fact.Q ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	825 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	826 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	827 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	828 Matrix Q = argq.matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	829 Matrix R = argr.matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	830 Matrix u = argu.matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	831 Matrix v = argv.matrix_value ();
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	832
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	833 QR fact (Q, R);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	834 fact.update (u, v);
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	835
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	836 retval(1) = get_qr_r (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	837 retval(0) = fact.Q ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	838 }
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	839 }
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	840 else
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	841 {
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	842 // complex case
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	843 if (argq.is_single_type ()
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	844 \|\| argr.is_single_type ()
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	845 \|\| argu.is_single_type ()
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	846 \|\| argv.is_single_type ())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	847 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	848 FloatComplexMatrix Q = argq.float_complex_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	849 FloatComplexMatrix R = argr.float_complex_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	850 FloatComplexMatrix u = argu.float_complex_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	851 FloatComplexMatrix v = argv.float_complex_matrix_value ();
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	852
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	853 FloatComplexQR fact (Q, R);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	854 fact.update (u, v);
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	855
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	856 retval(1) = get_qr_r (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	857 retval(0) = fact.Q ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	858 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	859 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	860 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	861 ComplexMatrix Q = argq.complex_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	862 ComplexMatrix R = argr.complex_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	863 ComplexMatrix u = argu.complex_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	864 ComplexMatrix v = argv.complex_matrix_value ();
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	865
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	866 ComplexQR fact (Q, R);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	867 fact.update (u, v);
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	868
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	869 retval(1) = get_qr_r (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	870 retval(0) = fact.Q ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	871 }
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	872 }
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	873 }
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	874 else
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	875 error ("qrupdate: dimensions mismatch");
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	876 }
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	877 else
8469 830a03b5f165 qr.cc: require args to be numeric, not necessarily matrix objects John W. Eaton <jwe@octave.org> parents: 8367 diff changeset	878 error ("qrupdate: expecting numeric arguments");
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	879
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	880 return retval;
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	881 }
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	882 /*
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	883 %!shared A, u, v, Ac, uc, vc
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	884 %! A = [0.091364 0.613038 0.999083;
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	885 %! 0.594638 0.425302 0.603537;
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	886 %! 0.383594 0.291238 0.085574;
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	887 %! 0.265712 0.268003 0.238409;
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	888 %! 0.669966 0.743851 0.445057 ];
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	889 %!
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	890 %! u = [0.85082;
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	891 %! 0.76426;
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	892 %! 0.42883;
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	893 %! 0.53010;
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	894 %! 0.80683 ];
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	895 %!
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	896 %! v = [0.98810;
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	897 %! 0.24295;
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	898 %! 0.43167 ];
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	899 %!
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	900 %! Ac = [0.620405 + 0.956953i 0.480013 + 0.048806i 0.402627 + 0.338171i;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	901 %! 0.589077 + 0.658457i 0.013205 + 0.279323i 0.229284 + 0.721929i;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	902 %! 0.092758 + 0.345687i 0.928679 + 0.241052i 0.764536 + 0.832406i;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	903 %! 0.912098 + 0.721024i 0.049018 + 0.269452i 0.730029 + 0.796517i;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	904 %! 0.112849 + 0.603871i 0.486352 + 0.142337i 0.355646 + 0.151496i ];
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	905 %!
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	906 %! uc = [0.20351 + 0.05401i;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	907 %! 0.13141 + 0.43708i;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	908 %! 0.29808 + 0.08789i;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	909 %! 0.69821 + 0.38844i;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	910 %! 0.74871 + 0.25821i ];
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	911 %!
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	912 %! vc = [0.85839 + 0.29468i;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	913 %! 0.20820 + 0.93090i;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	914 %! 0.86184 + 0.34689i ];
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	915 %!
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	916
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	917 %!test
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	918 %! [Q,R] = qr(A);
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	919 %! [Q,R] = qrupdate(Q,R,u,v);
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	920 %! assert(norm(vec(Q'Q - eye(5)),Inf) < 1e1eps)
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	921 %! assert(norm(vec(triu(R)-R),Inf) == 0)
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	922 %! assert(norm(vec(QR - A - uv'),Inf) < norm(A)1e1eps)
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	923 %!
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	924 %!test
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	925 %! [Q,R] = qr(Ac);
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	926 %! [Q,R] = qrupdate(Q,R,uc,vc);
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	927 %! assert(norm(vec(Q'Q - eye(5)),Inf) < 1e1eps)
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	928 %! assert(norm(vec(triu(R)-R),Inf) == 0)
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	929 %! assert(norm(vec(QR - Ac - ucvc'),Inf) < norm(Ac)1e1eps)
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	930
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	931 %!test
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	932 %! [Q,R] = qr(single(A));
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	933 %! [Q,R] = qrupdate(Q,R,single(u),single(v));
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	934 %! assert(norm(vec(Q'Q - eye(5,'single')),Inf) < 1e1eps('single'))
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	935 %! assert(norm(vec(triu(R)-R),Inf) == 0)
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	936 %! assert(norm(vec(QR - single(A) - single(u)single(v)'),Inf) < norm(single(A))1e1eps('single'))
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	937 %!
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	938 %!test
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	939 %! [Q,R] = qr(single(Ac));
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	940 %! [Q,R] = qrupdate(Q,R,single(uc),single(vc));
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	941 %! assert(norm(vec(Q'Q - eye(5,'single')),Inf) < 1e1eps('single'))
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	942 %! assert(norm(vec(triu(R)-R),Inf) == 0)
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	943 %! assert(norm(vec(QR - single(Ac) - single(uc)single(vc)'),Inf) < norm(single(Ac))1e1eps('single'))
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	944 */
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	945
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	946 DEFUN_DLD (qrinsert, args, ,
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	947 "-- texinfo --\n\
7650 eb7bdde776f2 Texinfo fixes John W. Eaton <jwe@octave.org> parents: 7560 diff changeset	948 @deftypefn {Loadable Function} {[@var{Q1}, @var{R1}] =} qrinsert (@var{Q}, @var{R}, @var{j}, @var{x}, @var{orient})\n\
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	949 Given a QR@tie{}factorization of a real or complex matrix\n\
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	950 @w{@var{A} = @var{Q}*@var{R}}, @var{Q}@tie{}unitary and\n\
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	951 @var{R}@tie{}upper trapezoidal, return the QR@tie{}factorization of\n\
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	952 @w{[A(:,1:j-1) x A(:,j:n)]}, where @var{u} is a column vector to be\n\
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	953 inserted into @var{A} (if @var{orient} is @code{\"col\"}), or the\n\
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	954 QR@tie{}factorization of @w{[A(1:j-1,:);x;A(:,j:n)]}, where @var{x}\n\
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	955 is a row vector to be inserted into @var{A} (if @var{orient} is\n\
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	956 @code{\"row\"}).\n\
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	957 \n\
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	958 The default value of @var{orient} is @code{\"col\"}.\n\
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	959 If @var{orient} is @code{\"col\"},\n\
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	960 @var{u} may be a matrix and @var{j} an index vector\n\
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	961 resulting in the QR@tie{}factorization of a matrix @var{B} such that\n\
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	962 @w{B(:,@var{j})} gives @var{u} and @w{B(:,@var{j}) = []} gives @var{A}.\n\
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	963 Notice that the latter case is done as a sequence of k insertions;\n\
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	964 thus, for k large enough, it will be both faster and more accurate to recompute\n\
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	965 the factorization from scratch.\n\
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	966 \n\
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	967 If @var{orient} is @code{\"col\"},\n\
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	968 the QR factorization supplied may be either full\n\
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	969 (Q is square) or economized (R is square).\n\
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	970 \n\
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	971 If @var{orient} is @code{\"row\"}, full factorization is needed.\n\
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	972 @seealso{qr, qrupdate, qrdelete}\n\
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	973 @end deftypefn")
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	974 {
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	975 octave_idx_type nargin = args.length ();
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	976 octave_value_list retval;
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	977
7559 07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	978 if (nargin < 4 \|\| nargin > 5)
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	979 {
7559 07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	980 print_usage ();
07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	981 return retval;
07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	982 }
07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	983
07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	984 octave_value argq = args(0);
07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	985 octave_value argr = args(1);
07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	986 octave_value argj = args(2);
07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	987 octave_value argx = args(3);
07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	988
8469 830a03b5f165 qr.cc: require args to be numeric, not necessarily matrix objects John W. Eaton <jwe@octave.org> parents: 8367 diff changeset	989 if (argq.is_numeric_type () && argr.is_numeric_type ()
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	990 && argx.is_numeric_type ()
7559 07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	991 && (nargin < 5 \|\| args(4).is_string ()))
07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	992 {
07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	993 std::string orient = (nargin < 5) ? "col" : args(4).string_value ();
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	994
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	995 bool col = orient == "col";
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	996
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	997 if (col \|\| orient == "row")
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	998 if (check_qr_dims (argq, argr, col)
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	999 && (col \|\| argx.rows () == 1))
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1000 {
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	1001 if (check_index (argj, col))
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1002 {
8811 20dfb885f877 int -> octave_idx fixes John W. Eaton <jwe@octave.org> parents: 8798 diff changeset	1003 MArray<octave_idx_type> j
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1004 = argj.octave_idx_type_vector_value ();
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	1005
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	1006 if (argq.is_real_type ()
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1007 && argr.is_real_type ()
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1008 && argx.is_real_type ())
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1009 {
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1010 // real case
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1011 if (argq.is_single_type ()
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1012 \|\| argr.is_single_type ()
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1013 \|\| argx.is_single_type ())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1014 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1015 FloatMatrix Q = argq.float_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1016 FloatMatrix R = argr.float_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1017 FloatMatrix x = argx.float_matrix_value ();
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1018
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1019 FloatQR fact (Q, R);
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1020
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1021 if (col)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1022 fact.insert_col (x, j-1);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1023 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1024 fact.insert_row (x.row (0), j(0)-1);
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1025
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1026 retval(1) = get_qr_r (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1027 retval(0) = fact.Q ();
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1028
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1029 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1030 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1031 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1032 Matrix Q = argq.matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1033 Matrix R = argr.matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1034 Matrix x = argx.matrix_value ();
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1035
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1036 QR fact (Q, R);
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1037
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1038 if (col)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1039 fact.insert_col (x, j-1);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1040 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1041 fact.insert_row (x.row (0), j(0)-1);
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1042
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1043 retval(1) = get_qr_r (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1044 retval(0) = fact.Q ();
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1045
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1046 }
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1047 }
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1048 else
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1049 {
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1050 // complex case
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1051 if (argq.is_single_type ()
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1052 \|\| argr.is_single_type ()
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1053 \|\| argx.is_single_type ())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1054 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1055 FloatComplexMatrix Q = argq.float_complex_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1056 FloatComplexMatrix R = argr.float_complex_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1057 FloatComplexMatrix x = argx.float_complex_matrix_value ();
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1058
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1059 FloatComplexQR fact (Q, R);
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1060
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1061 if (col)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1062 fact.insert_col (x, j-1);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1063 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1064 fact.insert_row (x.row (0), j(0)-1);
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1065
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1066 retval(1) = get_qr_r (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1067 retval(0) = fact.Q ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1068 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1069 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1070 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1071 ComplexMatrix Q = argq.complex_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1072 ComplexMatrix R = argr.complex_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1073 ComplexMatrix x = argx.complex_matrix_value ();
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1074
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1075 ComplexQR fact (Q, R);
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1076
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1077 if (col)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1078 fact.insert_col (x, j-1);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1079 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1080 fact.insert_row (x.row (0), j(0)-1);
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1081
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1082 retval(1) = get_qr_r (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1083 retval(0) = fact.Q ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1084 }
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1085 }
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1086
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1087 }
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1088 else
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	1089 error ("qrinsert: invalid index");
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1090 }
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1091 else
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1092 error ("qrinsert: dimension mismatch");
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1093
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1094 else
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1095 error ("qrinsert: orient must be \"col\" or \"row\"");
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1096 }
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1097 else
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1098 print_usage ();
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1099
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1100 return retval;
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1101 }
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1102
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1103 /*
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1104 %!test
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1105 %! [Q,R] = qr(A);
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1106 %! [Q,R] = qrinsert(Q,R,3,u);
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1107 %! assert(norm(vec(Q'Q - eye(5)),Inf) < 1e1eps)
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1108 %! assert(norm(vec(triu(R)-R),Inf) == 0)
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1109 %! assert(norm(vec(QR - [A(:,1:2) u A(:,3)]),Inf) < norm(A)1e1*eps)
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1110 %!test
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1111 %! [Q,R] = qr(Ac);
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1112 %! [Q,R] = qrinsert(Q,R,3,uc);
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1113 %! assert(norm(vec(Q'Q - eye(5)),Inf) < 1e1eps)
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1114 %! assert(norm(vec(triu(R)-R),Inf) == 0)
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1115 %! assert(norm(vec(QR - [Ac(:,1:2) uc Ac(:,3)]),Inf) < norm(Ac)1e1*eps)
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1116 %!test
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1117 %! x = [0.85082 0.76426 0.42883 ];
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1118 %!
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1119 %! [Q,R] = qr(A);
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1120 %! [Q,R] = qrinsert(Q,R,3,x,'row');
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1121 %! assert(norm(vec(Q'Q - eye(6)),Inf) < 1e1eps)
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1122 %! assert(norm(vec(triu(R)-R),Inf) == 0)
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1123 %! assert(norm(vec(QR - [A(1:2,:);x;A(3:5,:)]),Inf) < norm(A)1e1*eps)
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1124 %!test
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1125 %! x = [0.20351 + 0.05401i 0.13141 + 0.43708i 0.29808 + 0.08789i ];
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1126 %!
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1127 %! [Q,R] = qr(Ac);
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1128 %! [Q,R] = qrinsert(Q,R,3,x,'row');
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1129 %! assert(norm(vec(Q'Q - eye(6)),Inf) < 1e1eps)
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1130 %! assert(norm(vec(triu(R)-R),Inf) == 0)
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1131 %! assert(norm(vec(QR - [Ac(1:2,:);x;Ac(3:5,:)]),Inf) < norm(Ac)1e1*eps)
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1132
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1133 %!test
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1134 %! [Q,R] = qr(single(A));
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1135 %! [Q,R] = qrinsert(Q,R,3,single(u));
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1136 %! assert(norm(vec(Q'Q - eye(5,'single')),Inf) < 1e1eps('single'))
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1137 %! assert(norm(vec(triu(R)-R),Inf) == 0)
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1138 %! assert(norm(vec(QR - single([A(:,1:2) u A(:,3)])),Inf) < norm(single(A))1e1*eps('single'))
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1139 %!test
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1140 %! [Q,R] = qr(single(Ac));
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1141 %! [Q,R] = qrinsert(Q,R,3,single(uc));
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1142 %! assert(norm(vec(Q'Q - eye(5,'single')),Inf) < 1e1eps('single'))
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1143 %! assert(norm(vec(triu(R)-R),Inf) == 0)
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1144 %! assert(norm(vec(QR - single([Ac(:,1:2) uc Ac(:,3)])),Inf) < norm(single(Ac))1e1*eps('single'))
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1145 %!test
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1146 %! x = single([0.85082 0.76426 0.42883 ]);
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1147 %!
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1148 %! [Q,R] = qr(single(A));
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1149 %! [Q,R] = qrinsert(Q,R,3,x,'row');
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1150 %! assert(norm(vec(Q'Q - eye(6,'single')),Inf) < 1e1eps('single'))
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1151 %! assert(norm(vec(triu(R)-R),Inf) == 0)
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1152 %! assert(norm(vec(QR - single([A(1:2,:);x;A(3:5,:)])),Inf) < norm(single(A))1e1*eps('single'))
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1153 %!test
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1154 %! x = single([0.20351 + 0.05401i 0.13141 + 0.43708i 0.29808 + 0.08789i ]);
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1155 %!
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1156 %! [Q,R] = qr(single(Ac));
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1157 %! [Q,R] = qrinsert(Q,R,3,x,'row');
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1158 %! assert(norm(vec(Q'Q - eye(6,'single')),Inf) < 1e1eps('single'))
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1159 %! assert(norm(vec(triu(R)-R),Inf) == 0)
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1160 %! assert(norm(vec(QR - single([Ac(1:2,:);x;Ac(3:5,:)])),Inf) < norm(single(Ac))1e1*eps('single'))
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1161 */
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1162
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1163 DEFUN_DLD (qrdelete, args, ,
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1164 "-- texinfo --\n\
7650 eb7bdde776f2 Texinfo fixes John W. Eaton <jwe@octave.org> parents: 7560 diff changeset	1165 @deftypefn {Loadable Function} {[@var{Q1}, @var{R1}] =} qrdelete (@var{Q}, @var{R}, @var{j}, @var{orient})\n\
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1166 Given a QR@tie{}factorization of a real or complex matrix\n\
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1167 @w{@var{A} = @var{Q}*@var{R}}, @var{Q}@tie{}unitary and\n\
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1168 @var{R}@tie{}upper trapezoidal, return the QR@tie{}factorization of\n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 8869 diff changeset	1169 @w{[A(:,1:j-1) A(:,j+1:n)]}, i.e., @var{A} with one column deleted\n\
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1170 (if @var{orient} is \"col\"), or the QR@tie{}factorization of\n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 8869 diff changeset	1171 @w{[A(1:j-1,:);A(:,j+1:n)]}, i.e., @var{A} with one row deleted (if\n\
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1172 @var{orient} is \"row\").\n\
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1173 \n\
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1174 The default value of @var{orient} is \"col\".\n\
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1175 \n\
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	1176 If @var{orient} is @code{\"col\"},\n\
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	1177 @var{j} may be an index vector\n\
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	1178 resulting in the QR@tie{}factorization of a matrix @var{B} such that\n\
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	1179 @w{A(:,@var{j}) = []} gives @var{B}.\n\
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	1180 Notice that the latter case is done as a sequence of k deletions;\n\
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	1181 thus, for k large enough, it will be both faster and more accurate to recompute\n\
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	1182 the factorization from scratch.\n\
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1183 \n\
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	1184 If @var{orient} is @code{\"col\"},\n\
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	1185 the QR factorization supplied may be either full\n\
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	1186 (Q is square) or economized (R is square).\n\
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1187 \n\
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	1188 If @var{orient} is @code{\"row\"}, full factorization is needed.\n\
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1189 @seealso{qr, qrinsert, qrupdate}\n\
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1190 @end deftypefn")
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1191 {
7559 07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	1192 octave_idx_type nargin = args.length ();
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1193 octave_value_list retval;
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1194
7559 07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	1195 if (nargin < 3 \|\| nargin > 4)
07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	1196 {
07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	1197 print_usage ();
07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	1198 return retval;
07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	1199 }
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1200
7559 07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	1201 octave_value argq = args(0);
07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	1202 octave_value argr = args(1);
07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	1203 octave_value argj = args(2);
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1204
8469 830a03b5f165 qr.cc: require args to be numeric, not necessarily matrix objects John W. Eaton <jwe@octave.org> parents: 8367 diff changeset	1205 if (argq.is_numeric_type () && argr.is_numeric_type ()
7559 07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	1206 && (nargin < 4 \|\| args(3).is_string ()))
07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	1207 {
07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	1208 std::string orient = (nargin < 4) ? "col" : args(3).string_value ();
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1209
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	1210 bool col = orient == "col";
7559 07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	1211
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	1212 if (col \|\| orient == "row")
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	1213 if (check_qr_dims (argq, argr, col))
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1214 {
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	1215 if (check_index (argj, col))
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1216 {
8811 20dfb885f877 int -> octave_idx fixes John W. Eaton <jwe@octave.org> parents: 8798 diff changeset	1217 MArray<octave_idx_type> j
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1218 = argj.octave_idx_type_vector_value ();
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	1219
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	1220 if (argq.is_real_type ()
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1221 && argr.is_real_type ())
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1222 {
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1223 // real case
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1224 if (argq.is_single_type ()
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1225 \|\| argr.is_single_type ())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1226 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1227 FloatMatrix Q = argq.float_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1228 FloatMatrix R = argr.float_matrix_value ();
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1229
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1230 FloatQR fact (Q, R);
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1231
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1232 if (col)
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	1233 fact.delete_col (j-1);
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1234 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1235 fact.delete_row (j(0)-1);
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1236
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1237 retval(1) = get_qr_r (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1238 retval(0) = fact.Q ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1239 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1240 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1241 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1242 Matrix Q = argq.matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1243 Matrix R = argr.matrix_value ();
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1244
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1245 QR fact (Q, R);
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1246
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1247 if (col)
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	1248 fact.delete_col (j-1);
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1249 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1250 fact.delete_row (j(0)-1);
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1251
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1252 retval(1) = get_qr_r (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1253 retval(0) = fact.Q ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1254 }
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1255 }
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1256 else
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1257 {
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1258 // complex case
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1259 if (argq.is_single_type ()
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1260 \|\| argr.is_single_type ())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1261 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1262 FloatComplexMatrix Q = argq.float_complex_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1263 FloatComplexMatrix R = argr.float_complex_matrix_value ();
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1264
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1265 FloatComplexQR fact (Q, R);
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1266
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1267 if (col)
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	1268 fact.delete_col (j-1);
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1269 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1270 fact.delete_row (j(0)-1);
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1271
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1272 retval(1) = get_qr_r (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1273 retval(0) = fact.Q ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1274 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1275 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1276 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1277 ComplexMatrix Q = argq.complex_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1278 ComplexMatrix R = argr.complex_matrix_value ();
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1279
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1280 ComplexQR fact (Q, R);
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1281
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1282 if (col)
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	1283 fact.delete_col (j-1);
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1284 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1285 fact.delete_row (j(0)-1);
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1286
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1287 retval(1) = get_qr_r (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1288 retval(0) = fact.Q ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1289 }
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1290 }
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1291 }
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1292 else
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	1293 error ("qrdelete: invalid index");
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1294 }
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1295 else
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1296 error ("qrdelete: dimension mismatch");
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1297
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1298 else
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1299 error ("qrdelete: orient must be \"col\" or \"row\"");
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1300 }
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1301 else
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1302 print_usage ();
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1303
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1304 return retval;
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1305 }
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1306
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1307 /*
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1308 %!test
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1309 %! AA = [0.091364 0.613038 0.027504 0.999083;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1310 %! 0.594638 0.425302 0.562834 0.603537;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1311 %! 0.383594 0.291238 0.742073 0.085574;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1312 %! 0.265712 0.268003 0.783553 0.238409;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1313 %! 0.669966 0.743851 0.457255 0.445057 ];
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1314 %!
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1315 %! [Q,R] = qr(AA);
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1316 %! [Q,R] = qrdelete(Q,R,3);
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1317 %! assert(norm(vec(Q'Q - eye(5)),Inf) < 1e1eps)
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1318 %! assert(norm(vec(triu(R)-R),Inf) == 0)
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1319 %! assert(norm(vec(QR - [AA(:,1:2) AA(:,4)]),Inf) < norm(AA)1e1*eps)
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1320 %!
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1321 %!test
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1322 %! AA = [0.364554 + 0.993117i 0.669818 + 0.510234i 0.426568 + 0.041337i 0.847051 + 0.233291i;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1323 %! 0.049600 + 0.242783i 0.448946 + 0.484022i 0.141155 + 0.074420i 0.446746 + 0.392706i;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1324 %! 0.581922 + 0.657416i 0.581460 + 0.030016i 0.219909 + 0.447288i 0.201144 + 0.069132i;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1325 %! 0.694986 + 0.000571i 0.682327 + 0.841712i 0.807537 + 0.166086i 0.192767 + 0.358098i;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1326 %! 0.945002 + 0.066788i 0.350492 + 0.642638i 0.579629 + 0.048102i 0.600170 + 0.636938i ] * I;
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1327 %!
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1328 %! [Q,R] = qr(AA);
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1329 %! [Q,R] = qrdelete(Q,R,3);
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1330 %! assert(norm(vec(Q'Q - eye(5)),Inf) < 1e1eps)
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1331 %! assert(norm(vec(triu(R)-R),Inf) == 0)
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1332 %! assert(norm(vec(QR - [AA(:,1:2) AA(:,4)]),Inf) < norm(AA)1e1*eps)
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1333 %!
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1334 %!test
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1335 %! AA = [0.091364 0.613038 0.027504 0.999083;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1336 %! 0.594638 0.425302 0.562834 0.603537;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1337 %! 0.383594 0.291238 0.742073 0.085574;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1338 %! 0.265712 0.268003 0.783553 0.238409;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1339 %! 0.669966 0.743851 0.457255 0.445057 ];
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1340 %!
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1341 %! [Q,R] = qr(AA);
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1342 %! [Q,R] = qrdelete(Q,R,3,'row');
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1343 %! assert(norm(vec(Q'Q - eye(4)),Inf) < 1e1eps)
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1344 %! assert(norm(vec(triu(R)-R),Inf) == 0)
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1345 %! assert(norm(vec(QR - [AA(1:2,:);AA(4:5,:)]),Inf) < norm(AA)1e1*eps)
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1346 %!
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1347 %!test
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1348 %! AA = [0.364554 + 0.993117i 0.669818 + 0.510234i 0.426568 + 0.041337i 0.847051 + 0.233291i;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1349 %! 0.049600 + 0.242783i 0.448946 + 0.484022i 0.141155 + 0.074420i 0.446746 + 0.392706i;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1350 %! 0.581922 + 0.657416i 0.581460 + 0.030016i 0.219909 + 0.447288i 0.201144 + 0.069132i;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1351 %! 0.694986 + 0.000571i 0.682327 + 0.841712i 0.807537 + 0.166086i 0.192767 + 0.358098i;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1352 %! 0.945002 + 0.066788i 0.350492 + 0.642638i 0.579629 + 0.048102i 0.600170 + 0.636938i ] * I;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1353 %!
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1354 %! [Q,R] = qr(AA);
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1355 %! [Q,R] = qrdelete(Q,R,3,'row');
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1356 %! assert(norm(vec(Q'Q - eye(4)),Inf) < 1e1eps)
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1357 %! assert(norm(vec(triu(R)-R),Inf) == 0)
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1358 %! assert(norm(vec(QR - [AA(1:2,:);AA(4:5,:)]),Inf) < norm(AA)1e1*eps)
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1359
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1360 %!test
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1361 %! AA = single([0.091364 0.613038 0.027504 0.999083;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1362 %! 0.594638 0.425302 0.562834 0.603537;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1363 %! 0.383594 0.291238 0.742073 0.085574;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1364 %! 0.265712 0.268003 0.783553 0.238409;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1365 %! 0.669966 0.743851 0.457255 0.445057 ]);
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1366 %!
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1367 %! [Q,R] = qr(AA);
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1368 %! [Q,R] = qrdelete(Q,R,3);
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1369 %! assert(norm(vec(Q'Q - eye(5,'single')),Inf) < 1e1eps('single'))
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1370 %! assert(norm(vec(triu(R)-R),Inf) == 0)
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1371 %! assert(norm(vec(QR - [AA(:,1:2) AA(:,4)]),Inf) < norm(AA)1e1*eps('single'))
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1372 %!
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1373 %!test
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1374 %! AA = single([0.364554 + 0.993117i 0.669818 + 0.510234i 0.426568 + 0.041337i 0.847051 + 0.233291i;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1375 %! 0.049600 + 0.242783i 0.448946 + 0.484022i 0.141155 + 0.074420i 0.446746 + 0.392706i;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1376 %! 0.581922 + 0.657416i 0.581460 + 0.030016i 0.219909 + 0.447288i 0.201144 + 0.069132i;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1377 %! 0.694986 + 0.000571i 0.682327 + 0.841712i 0.807537 + 0.166086i 0.192767 + 0.358098i;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1378 %! 0.945002 + 0.066788i 0.350492 + 0.642638i 0.579629 + 0.048102i 0.600170 + 0.636938i ]) * I;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1379 %!
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1380 %! [Q,R] = qr(AA);
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1381 %! [Q,R] = qrdelete(Q,R,3);
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1382 %! assert(norm(vec(Q'Q - eye(5,'single')),Inf) < 1e1eps('single'))
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1383 %! assert(norm(vec(triu(R)-R),Inf) == 0)
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1384 %! assert(norm(vec(QR - [AA(:,1:2) AA(:,4)]),Inf) < norm(AA)1e1*eps('single'))
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1385 %!
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1386 %!test
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1387 %! AA = single([0.091364 0.613038 0.027504 0.999083;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1388 %! 0.594638 0.425302 0.562834 0.603537;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1389 %! 0.383594 0.291238 0.742073 0.085574;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1390 %! 0.265712 0.268003 0.783553 0.238409;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1391 %! 0.669966 0.743851 0.457255 0.445057 ]);
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1392 %!
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1393 %! [Q,R] = qr(AA);
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1394 %! [Q,R] = qrdelete(Q,R,3,'row');
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1395 %! assert(norm(vec(Q'Q - eye(4,'single')),Inf) < 1e1eps('single'))
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1396 %! assert(norm(vec(triu(R)-R),Inf) == 0)
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1397 %! assert(norm(vec(QR - [AA(1:2,:);AA(4:5,:)]),Inf) < norm(AA)1e1*eps('single'))
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1398 %!
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1399 %!test
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1400 %! AA = single([0.364554 + 0.993117i 0.669818 + 0.510234i 0.426568 + 0.041337i 0.847051 + 0.233291i;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1401 %! 0.049600 + 0.242783i 0.448946 + 0.484022i 0.141155 + 0.074420i 0.446746 + 0.392706i;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1402 %! 0.581922 + 0.657416i 0.581460 + 0.030016i 0.219909 + 0.447288i 0.201144 + 0.069132i;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1403 %! 0.694986 + 0.000571i 0.682327 + 0.841712i 0.807537 + 0.166086i 0.192767 + 0.358098i;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1404 %! 0.945002 + 0.066788i 0.350492 + 0.642638i 0.579629 + 0.048102i 0.600170 + 0.636938i ]) * I;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1405 %!
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1406 %! [Q,R] = qr(AA);
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1407 %! [Q,R] = qrdelete(Q,R,3,'row');
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1408 %! assert(norm(vec(Q'Q - eye(4,'single')),Inf) < 1e1eps('single'))
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1409 %! assert(norm(vec(triu(R)-R),Inf) == 0)
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1410 %! assert(norm(vec(QR - [AA(1:2,:);AA(4:5,:)]),Inf) < norm(AA)1e1*eps('single'))
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1411 */
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	1412
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1413 DEFUN_DLD (qrshift, args, ,
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1414 "-- texinfo --\n\
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1415 @deftypefn {Loadable Function} {[@var{Q1}, @var{R1}] =} qrshift (@var{Q}, @var{R}, @var{i}, @var{j})\n\
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1416 Given a QR@tie{}factorization of a real or complex matrix\n\
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1417 @w{@var{A} = @var{Q}*@var{R}}, @var{Q}@tie{}unitary and\n\
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1418 @var{R}@tie{}upper trapezoidal, return the QR@tie{}factorization\n\
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1419 of @w{@var{A}(:,p)}, where @w{p} is the permutation @*\n\
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1420 @code{p = [1:i-1, shift(i:j, 1), j+1:n]} if @w{@var{i} < @var{j}} @*\n\
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1421 or @*\n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 8869 diff changeset	1422 @code{p = [1:j-1, shift(j:i,-1), i+1:n]} if @w{@var{j} < @var{i}}. @*\n\
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1423 \n\
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1424 @seealso{qr, qrinsert, qrdelete}\n\
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1425 @end deftypefn")
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1426 {
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1427 octave_idx_type nargin = args.length ();
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1428 octave_value_list retval;
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1429
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1430 if (nargin != 4)
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1431 {
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1432 print_usage ();
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1433 return retval;
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1434 }
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1435
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1436 octave_value argq = args(0);
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1437 octave_value argr = args(1);
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1438 octave_value argi = args(2);
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1439 octave_value argj = args(3);
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1440
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	1441 if (argq.is_numeric_type () && argr.is_numeric_type ())
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1442 {
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	1443 if (check_qr_dims (argq, argr, true))
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	1444 {
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	1445 if (check_index (argi) && check_index (argj))
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	1446 {
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	1447 octave_idx_type i = argi.int_value ();
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	1448 octave_idx_type j = argj.int_value ();
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1449
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	1450 if (argq.is_real_type ()
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	1451 && argr.is_real_type ())
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1452 {
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1453 // all real case
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1454 if (argq.is_single_type ()
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1455 && argr.is_single_type ())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1456 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1457 FloatMatrix Q = argq.float_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1458 FloatMatrix R = argr.float_matrix_value ();
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1459
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1460 FloatQR fact (Q, R);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1461 fact.shift_cols (i-1, j-1);
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1462
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1463 retval(1) = get_qr_r (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1464 retval(0) = fact.Q ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1465 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1466 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1467 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1468 Matrix Q = argq.matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1469 Matrix R = argr.matrix_value ();
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1470
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1471 QR fact (Q, R);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1472 fact.shift_cols (i-1, j-1);
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1473
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1474 retval(1) = get_qr_r (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1475 retval(0) = fact.Q ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1476 }
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1477 }
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1478 else
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1479 {
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1480 // complex case
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1481 if (argq.is_single_type ()
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1482 && argr.is_single_type ())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1483 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1484 FloatComplexMatrix Q = argq.float_complex_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1485 FloatComplexMatrix R = argr.float_complex_matrix_value ();
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1486
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1487 FloatComplexQR fact (Q, R);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1488 fact.shift_cols (i-1, j-1);
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1489
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1490 retval(1) = get_qr_r (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1491 retval(0) = fact.Q ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1492 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1493 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1494 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1495 ComplexMatrix Q = argq.complex_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1496 ComplexMatrix R = argr.complex_matrix_value ();
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1497
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1498 ComplexQR fact (Q, R);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1499 fact.shift_cols (i-1, j-1);
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1500
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1501 retval(1) = get_qr_r (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1502 retval(0) = fact.Q ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1503 }
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1504 }
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1505 }
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1506 else
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	1507 error ("qrshift: invalid index");
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1508 }
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1509 else
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1510 error ("qrshift: dimensions mismatch");
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1511 }
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1512 else
8469 830a03b5f165 qr.cc: require args to be numeric, not necessarily matrix objects John W. Eaton <jwe@octave.org> parents: 8367 diff changeset	1513 error ("qrshift: expecting numeric arguments");
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1514
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1515 return retval;
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1516 }
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1517 /*
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1518 %!test
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1519 %! AA = A.';
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1520 %! i = 2; j = 4; p = [1:i-1, shift(i:j,-1), j+1:5];
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1521 %!
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1522 %! [Q,R] = qr(AA);
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1523 %! [Q,R] = qrshift(Q,R,i,j);
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1524 %! assert(norm(vec(Q'Q - eye(3)),Inf) < 1e1eps)
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1525 %! assert(norm(vec(triu(R)-R),Inf) == 0)
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1526 %! assert(norm(vec(QR - AA(:,p)),Inf) < norm(AA)1e1*eps)
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1527 %!
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1528 %! j = 2; i = 4; p = [1:j-1, shift(j:i,+1), i+1:5];
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1529 %!
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1530 %! [Q,R] = qr(AA);
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1531 %! [Q,R] = qrshift(Q,R,i,j);
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1532 %! assert(norm(vec(Q'Q - eye(3)),Inf) < 1e1eps)
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1533 %! assert(norm(vec(triu(R)-R),Inf) == 0)
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1534 %! assert(norm(vec(QR - AA(:,p)),Inf) < norm(AA)1e1*eps)
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1535 %!
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1536 %!test
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1537 %! AA = Ac.';
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1538 %! i = 2; j = 4; p = [1:i-1, shift(i:j,-1), j+1:5];
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1539 %!
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1540 %! [Q,R] = qr(AA);
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1541 %! [Q,R] = qrshift(Q,R,i,j);
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1542 %! assert(norm(vec(Q'Q - eye(3)),Inf) < 1e1eps)
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1543 %! assert(norm(vec(triu(R)-R),Inf) == 0)
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1544 %! assert(norm(vec(QR - AA(:,p)),Inf) < norm(AA)1e1*eps)
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1545 %!
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1546 %! j = 2; i = 4; p = [1:j-1, shift(j:i,+1), i+1:5];
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1547 %!
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1548 %! [Q,R] = qr(AA);
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1549 %! [Q,R] = qrshift(Q,R,i,j);
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1550 %! assert(norm(vec(Q'Q - eye(3)),Inf) < 1e1eps)
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1551 %! assert(norm(vec(triu(R)-R),Inf) == 0)
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1552 %! assert(norm(vec(QR - AA(:,p)),Inf) < norm(AA)1e1*eps)
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1553
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1554
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1555 %!test
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1556 %! AA = single (A).';
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1557 %! i = 2; j = 4; p = [1:i-1, shift(i:j,-1), j+1:5];
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1558 %!
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1559 %! [Q,R] = qr(AA);
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1560 %! [Q,R] = qrshift(Q,R,i,j);
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1561 %! assert(norm(vec(Q'Q - eye(3,'single')),Inf) < 1e1eps('single'))
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1562 %! assert(norm(vec(triu(R)-R),Inf) == 0)
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1563 %! assert(norm(vec(QR - AA(:,p)),Inf) < norm(AA)1e1*eps('single'))
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1564 %!
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1565 %! j = 2; i = 4; p = [1:j-1, shift(j:i,+1), i+1:5];
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1566 %!
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1567 %! [Q,R] = qr(AA);
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1568 %! [Q,R] = qrshift(Q,R,i,j);
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1569 %! assert(norm(vec(Q'Q - eye(3,'single')),Inf) < 1e1eps('single'))
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1570 %! assert(norm(vec(triu(R)-R),Inf) == 0)
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1571 %! assert(norm(vec(QR - AA(:,p)),Inf) < norm(AA)1e1*eps('single'))
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1572 %!
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1573 %!test
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1574 %! AA = single(Ac).';
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1575 %! i = 2; j = 4; p = [1:i-1, shift(i:j,-1), j+1:5];
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1576 %!
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1577 %! [Q,R] = qr(AA);
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1578 %! [Q,R] = qrshift(Q,R,i,j);
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1579 %! assert(norm(vec(Q'Q - eye(3,'single')),Inf) < 1e1eps('single'))
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1580 %! assert(norm(vec(triu(R)-R),Inf) == 0)
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1581 %! assert(norm(vec(QR - AA(:,p)),Inf) < norm(AA)1e1*eps('single'))
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1582 %!
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1583 %! j = 2; i = 4; p = [1:j-1, shift(j:i,+1), i+1:5];
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1584 %!
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1585 %! [Q,R] = qr(AA);
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1586 %! [Q,R] = qrshift(Q,R,i,j);
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1587 %! assert(norm(vec(Q'Q - eye(3,'single')),Inf) < 1e1eps('single'))
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1588 %! assert(norm(vec(triu(R)-R),Inf) == 0)
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1589 %! assert(norm(vec(QR - AA(:,p)),Inf) < norm(AA)1e1*eps('single'))
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1590 */

Mercurial > hg > octave-nkf

annotate src/DLD-FUNCTIONS/qr.cc @ 10155:d0ce5e973937