unc_n2_sin1plot.m

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

%the dimension is two ,n=2;

clear
clc
lb=-1;
ub=2;
teix=0.01;

[X,Y] = meshgrid(lb:teix:ub,lb:teix:ub);

Z=X.*sin(4*pi*X)-Y.*sin(4*pi*Y+pi)+1;
% 
% 
% % mesh
mesh(X,Y,Z)
axis([lb ub lb ub -2 4]);
title('unc#n2#sin1');
xlabel('x');
ylabel('y');
zlabel('z')


% % % contour
% v=[ -2 -1 0   2 4 ];
% [c,h]=contour(X,Y,Z,v);
% clabel(c,h);
% title('unc#n2#sin1');
% xlabel('x');
% ylabel('y');
% zlabel('z')