## Copyright (C) 2008 Luca Favatella <slackydeb@gmail.com> ## ## 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, see <http://www.gnu.org/licenses/>. ## -*- texinfo -*- ## @deftypefn{Function File} {} rastriginsfcn (@var{x}) ## Rastrigin's function. ## @end deftypefn ## Author: Luca Favatella <slackydeb@gmail.com> ## Version: 1.2 function retval = rastriginsfcn (x) retval = 20 + (x(1) ** 2) + (x(2) ** 2) - 10 * (cos (2 * pi * x(1)) + cos (2 * pi * x(2))); endfunction %!assert (rastriginsfcn ([0, 0]), 0)

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