Mercurial > hg > octave-nkf
view scripts/deprecated/lognormal_pdf.m @ 5428:2a16423e4aa0
[project @ 2005-08-23 18:38:27 by jwe]
author | jwe |
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date | Tue, 23 Aug 2005 18:38:28 +0000 |
parents | bee21f388110 |
children | fe226f54d259 |
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## Copyright (C) 1995, 1996, 1997 Kurt Hornik ## ## This file is part of Octave. ## ## Octave is free software; you can redistribute it and/or modify it ## under the terms of the GNU General Public License as published by ## the Free Software Foundation; either version 2, or (at your option) ## any later version. ## ## Octave is distributed in the hope that it will be useful, but ## WITHOUT ANY WARRANTY; without even the implied warranty of ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU ## General Public License for more details. ## ## You should have received a copy of the GNU General Public License ## along with Octave; see the file COPYING. If not, write to the Free ## Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA ## 02110-1301, USA. ## -*- texinfo -*- ## @deftypefn {Function File} {} lognormal_pdf (@var{x}, @var{a}, @var{v}) ## For each element of @var{x}, compute the probability density function ## (PDF) at @var{x} of the lognormal distribution with parameters ## @var{a} and @var{v}. If a random variable follows this distribution, ## its logarithm is normally distributed with mean @code{log (@var{a})} ## and variance @var{v}. ## ## Default values are @var{a} = 1, @var{v} = 1. ## @end deftypefn ## Author: KH <Kurt.Hornik@wu-wien.ac.at> ## Description: PDF of the log normal distribution function pdf = lognormal_pdf (varargin) pdf = lognpdf (varargin{:}); endfunction