Mercurial > hg > octave-lyh
diff scripts/sparse/normest.m @ 6222:07d967f75dba
[project @ 2007-01-03 20:15:15 by jwe]
| author | jwe |
|---|---|
| date | Wed, 03 Jan 2007 20:15:16 +0000 |
| parents | 0a259ae4375e |
| children | 2c85044aa63f |
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--- a/scripts/sparse/normest.m +++ b/scripts/sparse/normest.m @@ -1,5 +1,4 @@ -## Copyright (C) 2006 David Bateman -## Copyright (C) 2006 Marco Caliari +## Copyright (C) 2006 David Bateman and Marco Caliari ## ## This program is free software; you can redistribute it and/or modify ## it under the terms of the GNU General Public License as published by @@ -18,10 +17,9 @@ ## -*- texinfo -*- ## @deftypefn {Function File} {[@var{n}, @var{c}] =} normest (@var{a}, @var{tol}) -## -## Estimates the 2-norm of the matrix @var{a} using a power series +## Estimate the 2-norm of the matrix @var{a} using a power series ## analysis. This is typically used for large matrices, where the cost -## of calculating the @code{norm{@var{a})} is prohibitive and an approximation +## of calculating the @code{norm (@var{a})} is prohibitive and an approximation ## to the 2-norm is acceptable. ## ## @var{tol} is the tolerance to which the 2-norm is calculated. By default