Perspectives on CUR Decompositions

Published 29 Jul 2019 in math.NA and cs.NA | (1907.12668v2)

Abstract: This note discusses an interesting matrix factorization called the CUR Decomposition. We illustrate various viewpoints of this method by comparing and contrasting them in different situations. Additionally, we offer a new characterization of CUR decompositions which synergizes these viewpoints and shows that they are indeed the same in the exact decomposition case.

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