funBukin10

PURPOSE ^

% Bukin 10's function

SYNOPSIS ^

function [p,dp]=funBukin10(xx)

DESCRIPTION ^

% Bukin 10's function
L. LAURENT -- 01/11/2016 -- luc.laurent@lecnam.net

CROSS-REFERENCE INFORMATION ^

This function calls: This function is called by:

SOURCE CODE ^

0001 %% Bukin 10's function
0002 %L. LAURENT -- 01/11/2016 -- 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 
0026 function [p,dp]=funBukin10(xx)
0027 
0028 %constants
0029 a=1000;
0030 b=20;
0031 c=270;
0032 d=3;
0033 e=30;
0034 
0035 %evaluation and derivatives
0036 pa=xx(:,:,1).^2+b*abs(xx(:,:,1))+xx(:,:,2).^2-c;
0037 pb=d*xx(:,:,1)+xx(:,:,2)+e;
0038 p=a*pa.^2+abs(pb);
0039 if nargout==2
0040     dp(:,:,1)=2*a.*(2*xx(:,:,1)+b*sign(xx(:,:,1))).*pa+d*sign(pb);
0041     dp(:,:,2)=4*a.*xx(:,:,2).*pa+sign(pb);   
0042 end
0043 end

Generated on Tue 28-May-2019 16:00:34 by m2html © 2005