unc_nn_dejongplot.m

matlab最优化理论的实现

%the dimension is two ,n=2;

clear
clc
lb=-5.12;
ub=5.12;
teix=0.05;
[X,Y] = meshgrid(lb:teix:ub);
Z=X.*X+Y.*Y;

% %%mesh
% mesh(X,Y,Z)
% axis([lb ub lb ub -5 60]);
% title('unc#nn#dejong');
% xlabel('x');
% ylabel('y');
% zlabel('z')



% contour
v=[0 0.2 1  2 10  20 50];
[c,h]=contour(X,Y,Z,v);
clabel(c,h);
title('unc#nn#dejong');
xlabel('x');
ylabel('y');