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cs.LG2024
Sum-of-norms regularized Nonnegative Matrix Factorization
Andersen Ang, Waqas Bin Hamed, Hans De Sterck
When applying nonnegative matrix factorization (NMF), the rank parameter is generally unknown. This rank, called the nonnegative rank, is usually estimated heuristically since comp…
math.OC2024
Chordal-NMF with Riemannian Multiplicative Update
Flavia Esposito, Andersen Ang
Nonnegative Matrix Factorization (NMF) is the problem of approximating a given nonnegative matrix M through the product of two nonnegative low-rank matrices W and H. Traditionally…