?? shekelsfoxholesfunction.m
字號:
clear
[x,y] = meshgrid(-65.56:0.6556:65.56);
a=[-32 -16 0 16 32 -32 -16 0 16 32 -32 -16 0 16 32 -32 -16 0 16 32 -32 -16 0 16 32 ;-32 -32 -32 -32 -32 -16 -16 -16 -16 -16 0 0 0 0 0 16 16 16 16 16 32 32 32 32 32];
l=size(x,1);
for i=1:l
for j=1:l
yy=0;
for ii=1:25
yy=yy+1/(ii+(x(i,j)-a(1,ii))^6+(y(i,j)-a(2,ii))^6);
end
z(i,j)=1/(1/500+yy);
end
end
mesh(x,y,z);
title('Shekel''s Foxholes Function','FontSize',16);
axis([-70,70,-70,70,0,600])
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