A mixed iteration for nonnegative matrix factorizations

We show that, under appropriate conditions, one can create a hybrid between two given iterations which can perform better than either of the original ones. This fact provides a freedom of choice. We also give numerical examples in which we compare our hybrid with the dedicated Lee–Seung iteration.

S.M. Soltuz
(Tiberiu Popoviciu Institute of Numerical Analysis, Romanian Academy)

B.E. Rhoades

Non-negative matrix factorization; Lee–Seung iteration.

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Ş.M. Şoltuz, B.E. Rhoades, A mixed iteration for nonnegative matrix factorizations, Appl. Math. Comput., 219 (2013) no. 18, 9847-9855.
doi: 10.1016/j.amc.2013.03.124

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