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view main/comm/vec2mat.m @ 0:6b33357c7561 octave-forge
Initial revision
author | pkienzle |
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date | Wed, 10 Oct 2001 19:54:49 +0000 |
parents | |
children | 039e2a73aa8d |
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## Copyright (C) 2001 Laurent Mazet ## ## 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 of the License, 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. ## ## You should have received a copy of the GNU General Public License ## along with this program; if not, write to the Free Software ## Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA ## usage: M = vec2mat (V, c [, d]) ## ## Converts the vector V into a c column matrix with row priority ## arrangement and with the final column padded with the value d ## to the correct length. ## ## V: vector ## c: number of colunms ## d: value of padded elements (default 0) ## ## M: matrix. ## 2001-02-02 ## initial release function M = vec2mat (V, c, val) switch (nargin) case 1, M = V; return; case 2, val = 0; case 3, val = val; otherwise error ("usage: M = vec2mat (V, c [, d])"); endswitch V = V.'; V = V(:); r = ceil (length (V) / c); d = r * c - length (V); if (d != 0) V = [ V ; val*ones(d, 1) ]; endif M = reshape (V, c, r).'; endfunction