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