unc_n2_sinplot.m

it contains many classic Test Problems for Unconstrained Optimization such as camel6,treccani,goldst

%the dimension is two ,n=2;

clear
clc

teix=0.05;
%0<=x1<=10,-10<=x2<=0;
[X,Y] = meshgrid(-1:teix:6,-2:teix:2);
c=0.2;
%c=0.5;
%c=0.05;
Z=(1-2*Y+c*sin(4*pi*Y)-X).^2+(Y-0.5*sin(2*pi*X)).^2;



% % mesh
mesh(X,Y,Z)
axis([-1 6 -2 2 0 80]);
title('unc#n2#sin');
xlabel('x');
ylabel('y');
zlabel('z')


% % contour
% v=[ 0 0.1 0.5 2 5 10 ];
% [c,h]=contour(X,Y,Z,v);
% clabel(c,h);
% title('unc#n2#sin');
% xlabel('x');
% ylabel('y');