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on 28 Nov 2023
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drawframe(1);
function drawframe(f)
rng(8)
n = 200;
a = ones(n);
b = rand(n)>0.99;
m = 1./[20 5 20;5 -1 5;20 5 20];
j = 0.03;
k = 0.06;
maxStep = interp1([0 48],[300 2500],f);
for i = 1:maxStep
A = a+(conv2(a,m,'same')-a.*b.*b+j.*(1-a));
B = b+(conv2(b,m,'same')/2+a.*b.*b-(k+j).*b);
a = A;b = B;
end
imagesc(a)
colormap(parula)
axis off
axis square
end
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