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comparison scripts/linear-algebra/cond.m @ 5642:2618a0750ae6

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[project @ 2006-03-06 21:26:48 by jwe]
author jwe
date Mon, 06 Mar 2006 21:26:54 +0000
parents 4c8a2e4e0717
children 34f96dd5441b
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5641:eb998631a4aa 5642:2618a0750ae6
20 ## -*- texinfo -*- 20 ## -*- texinfo -*-
21 ## @deftypefn {Function File} {} cond (@var{a}) 21 ## @deftypefn {Function File} {} cond (@var{a})
22 ## Compute the (two-norm) condition number of a matrix. @code{cond (a)} is 22 ## Compute the (two-norm) condition number of a matrix. @code{cond (a)} is
23 ## defined as @code{norm (a) * norm (inv (a))}, and is computed via a 23 ## defined as @code{norm (a) * norm (inv (a))}, and is computed via a
24 ## singular value decomposition. 24 ## singular value decomposition.
25 ## @seealso{norm, svd, rank}
25 ## @end deftypefn 26 ## @end deftypefn
26 ##
27 ## @seealso{norm, svd, and rank}
28 27
29 ## Author: jwe 28 ## Author: jwe
30 29
31 function retval = cond (a) 30 function retval = cond (a)
32 31