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Performance decrease accessing elements >4-D matrix
*Introduction* I have an algorithm that loops billions (trillions) of times and manipulates a matrix stored in 7 dimensions [...
oltre 11 anni fa | 2 risposte | 1
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Calculating means in large matrix using logical indexing
Hi there, I have a large data matrix in which I want to calculate the average of elements satisfying certain conditions. The ...
quasi 12 anni fa | 1 risposta | 0
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Speed optimization of partial inner product (norm)
My results show that the first is actually faster: n = 10000; P1 = rand(1,n); tic A1 = sqrt(sum(P1.^2)); to...
Speed optimization of partial inner product (norm)
My results show that the first is actually faster: n = 10000; P1 = rand(1,n); tic A1 = sqrt(sum(P1.^2)); to...
quasi 12 anni fa | 0
Domanda
atand(x) very much slower than atan(x)!?
Today I used atand(x) and atan(x). To my great surprise atand(x) was not just a little bit slower than atan(x) but is incredibly...
quasi 13 anni fa | 2 risposte | 2
