Experimental analysis of local searches for sparse reflexive generalized inverses

11 Jan 2020 Fampa Marcia Lee Jon Ponte Gabriel Xu Luze

The well known M-P (Moore-Penrose) pseudoinverse is used in several linear-algebra applications --- for example, to compute least-squares solutions of inconsistent systems of linear equations. Irrespective of whether a given matrix is sparse, its M-P pseudoinverse can be completely dense, potentially leading to high computational burden and numerical difficulties, especially when we are dealing with high-dimensional matrices... (read more)

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