Positive semidefinite matrix factorization: A link to phase retrieval and a block gradient algorithm

D Lahat, C Févotte - ICASSP 2020-2020 IEEE International …, 2020 - ieeexplore.ieee.org
This paper deals with positive semidefinite matrix factorization (PS-DMF). PSDMF writes
each entry of a nonnegative matrix as the inner product of two symmetric positive …