Mercurial > hg > octave-lyh
diff scripts/linear-algebra/dmult.m @ 3426:f8dde1807dee
[project @ 2000-01-13 08:40:00 by jwe]
author | jwe |
---|---|
date | Thu, 13 Jan 2000 08:40:53 +0000 |
parents | e4f4b2d26ee9 |
children | 858695b3ed62 |
line wrap: on
line diff
--- a/scripts/linear-algebra/dmult.m +++ b/scripts/linear-algebra/dmult.m @@ -1,15 +1,15 @@ ## Copyright (C) 1995, 1996, 1997 Kurt Hornik -## +## ## 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 ## the Free Software Foundation; either version 2, or (at your option) ## any later version. -## +## ## This program 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. -## +## General Public License for more details. +## ## You should have received a copy of the GNU General Public License ## along with this file. If not, write to the Free Software Foundation, ## 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. @@ -18,21 +18,21 @@ ## ## If a is a vector of length rows (B), return diag (a) * B (but ## computed much more efficiently). - + ## Author: KH <Kurt.Hornik@ci.tuwien.ac.at> ## Description: Rescale the rows of a matrix - + function M = dmult (a, B) - + if (nargin != 2) usage ("dmult (a, B)"); endif - + s = size (a); if ((min (s) > 1) || (max (s) != rows (B))) error ("dmult: a must be a vector of length rows (B)"); endif - + M = (reshape (a, max (s), 1) * ones (1, columns (B))) .* B; - + endfunction