Polynomial Tensor Sketch for Element-wise Function of Low-Rank Matrix

28 May 2019Insu HanHaim AvronJinwoo Shin

This paper studies how to sketch element-wise functions of low-rank matrices. Formally, given low-rank matrix A = [Aij] and scalar non-linear function f, we aim for finding an approximated low-rank representation of the (possibly high-rank) matrix [f(Aij)]... (read more)

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