How to calculate this formula?
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I have a vector of weight w(1,n) and a vector of correlation p(n,1). How can calculate this formula?
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/151422/image.png)
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Star Strider
il 5 Nov 2015
See if this works:
wij = triu(bsxfun(@times, w, w'));
num = wij*p;
den = sum(wij(:));
pr = sum(num(:))/den);
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