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on 14 Oct 2021
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x=fft(eye(512));
y=x;
for i=1:512
a=1.28-25e-4*i;
b=1e-4*i^0.125;
y(i,1:256)=a*x(i,1:256)*exp(-1j*i^b);
y(i,257:512)=a*x(i,257:512)*exp(1j*b^i);
end
imshow(real(sqrt(real(y))),'Interpolation','bilinear');
colormap('jet')
axis off
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