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Questions about the properties of vector spaces and linear transformations, including linear systems in general.

2 votes
1 answer
313 views

Derivation of Iteration Rules

Suppose we are given a matrix $V$ and our goal is to find non-negative matrices $W$ and $H$ such that $V \approx WH$. So we want to minimize $K(V || WH)$ (Kullback-Leibler Divergence) where $$K(V||WH) …