% Infiniti function L. LAURENT -- 16/03/2017 -- luc.laurent@lecnam.net
0001 %% Infiniti function 0002 %L. LAURENT -- 16/03/2017 -- 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 % 0025 %global minimum : f(x)=0 for xi=0 0026 % 0027 %Design space: -1<xi<1 0028 % 0029 0030 0031 0032 function [p,dp]=funInfiniti(xx) 0033 %constants 0034 a=2; 0035 0036 %evaluation and derivatives 0037 pa=xx.^6; 0038 pb=sin(1./xx)+a; 0039 % 0040 p=sum(pa.*pb,3); 0041 0042 % 0043 if nargout==2 0044 % 0045 dp=6*xx.^5.*pb-xx.^4.*cos(1./xx); 0046 end 0047 end