Non negative matrix (NMF) implementation
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Hello
I try to work on the traditional NMF with the paper http://www.columbia.edu/~jwp2128/Teaching/E4903/papers/nmf_nature.pdf
I have V matrix (nxm) , W(nxr), and H(rxn)
Updating rules:
W (i,a) <- W(i,a)* Sum over mill ( V(i,mill)/(WH)(i,mill) * H(a,mill))
H (a,mill) <- H(a,mill)* sum over i (W(i,a)* V(i,mill)/(WH)(i,mill))
in which i from 1 : n, a from 1:r, and mill from 1:m
How should we convert the equation above into matrix manipulation without using loop?
Thanks
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