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Patterns in blue
on 27 Oct 2021
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x=[-1 0 -1 1];
y=[-2 1 2 -2];
for r=1:20
for c=1:21
a=c*1.5-mod(r,2);
b=r*5;
z(r,c)=(a.*b');
end
end
contour(tan(z.^4),500)
colormap(jet)
axis equal off
set(gca,'units','normalized','position',[0 0 1 1]);