how can i vectorize this loop?
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Miguel Reina
am 21 Jan. 2018
Beantwortet: Matt J
am 22 Jan. 2018
K=100;
a=zeros(K,1);
for u = 0:K-1
for b = 0:K-1
a(u+1) = a(u+1) + s(b+1)*exp((-2j*pi*u*b/K));
end
end
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Image Analyst
am 21 Jan. 2018
Well you could try meshgrid() but I think it might make it a little more confusing to understand what it's doing. With only 100x100 array to fill, a double for loop will be very fast so even if you did vectorize it, don't expect to notice any speed difference.
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