Product of three 1d vectors and a 3d array

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Marco Vona
Marco Vona 2020-7-17
回答： Abdolkarim Mohammadi 2020-7-17
Say I am given three n-dimesional vectors and an array T. Is there a way to compute the quantity without using a for loop?

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Abdolkarim Mohammadi
aPermuted = a(:);
bPermuted = permute (b(:),[2,1,3]);
cPermuted = permute (c(:),[3,2,1]);
Z = T .* aPermuted .* bPermuted .* cPermuted;
Result = sum (Z,'all');

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