Heuristics for Exact Nonnegative Matrix Factorization

Arnaud Vandaele, Nicolas Gillis, François Glineur +1

The exact nonnegative matrix factorization (exact NMF) problem is the following: given an $m$-by-$n$ nonnegative matrix $X$ and a factorization rank $r$, find, if possible, an $m$-…