% Constraint function used in problems: BirdDisk L. LAURENT -- 01/05/2018 -- luc.laurent@lecnam.net
0001 %% Constraint function used in problems: BirdDisk 0002 %L. LAURENT -- 01/05/2018 -- luc.laurent@lecnam.net 0003 0004 % sources available here: 0005 % https://bitbucket.org/luclaurent/optigtest/ 0006 % https://github.com/luclaurent/optigtest/ 0007 0008 % optiGTest - set of testing functions A toolbox to easy manipulate functions. 0009 % Copyright (C) 2017 Luc LAURENT <luc.laurent@lecnam.net> 0010 % 0011 % This program is free software: you can redistribute it and/or modify 0012 % it under the terms of the GNU General Public License as published by 0013 % the Free Software Foundation, either version 3 of the License, or 0014 % (at your option) any later version. 0015 % 0016 % This program is distributed in the hope that it will be useful, 0017 % but WITHOUT ANY WARRANTY; without even the implied warranty of 0018 % MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 0019 % GNU General Public License for more details. 0020 % 0021 % You should have received a copy of the GNU General Public License 0022 % along with this program. If not, see <http://www.gnu.org/licenses/>. 0023 0024 function [g,dg]=funDisk25(xx) 0025 0026 % constraint 0027 g=(xx(:,:,1)+5).^2+(xx(:,:,2)+5).^2-25; 0028 0029 %and their derivatives 0030 if nargout>1 0031 dg=2*(xx+5); 0032 end 0033 end