X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?a=blobdiff_plain;f=octave_packages%2Fnnet-0.1.13%2F__randomisecols.m;fp=octave_packages%2Fnnet-0.1.13%2F__randomisecols.m;h=c78cdcf821757d34e93c95a69bf07032614757eb;hb=f5f7a74bd8a4900f0b797da6783be80e11a68d86;hp=0000000000000000000000000000000000000000;hpb=1705066eceaaea976f010f669ce8e972f3734b05;p=CreaPhase.git diff --git a/octave_packages/nnet-0.1.13/__randomisecols.m b/octave_packages/nnet-0.1.13/__randomisecols.m new file mode 100644 index 0000000..c78cdcf --- /dev/null +++ b/octave_packages/nnet-0.1.13/__randomisecols.m @@ -0,0 +1,44 @@ +## Copyright (C) 2008 Michel D. Schmid +## +## +## 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. +## +## You should have received a copy of the GNU General Public License +## along with this program; see the file COPYING. If not, see +## . + +## -*- texinfo -*- +## @deftypefn {Function File} {} @var{retmatrix} = __randomisecols (@var{matrix}) +## @code{__randomisecols} takes a matrix as input argument and changes the order +## of the columns. The rows aren't affected. +## @end deftypefn + +## Author: mds + +function [retmatrix] = __randomisecols(matrix) + + ## check number of inputs + error(nargchk(1,1,nargin)); + + # get number of cols + nCols = size(matrix,2); + + # now create random column order + colOrder = randperm(nCols); + + # now sort the matrix new + retmatrix = matrix(:,[colOrder]); + + +endfunction + +%!# no test possible, contains randperm which is using +%!# some randome functions