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on 7 Oct 2021
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nOffset = [0 1e2 1e3 1e6 1e8 1e9];
for i=1:6
nX = 90;
nY = 135;
A = nOffset(i) + (1:nX*nY);
A = reshape(A, [nX nY])';
sieveA = isprime(A);
set(gcf,'Color', 'w')
subplot(2,3,i)
imagesc(sieveA)
colormap([0 0 0; [3 160 98]/255]) % Matrix Green
axis image off
end
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