Analysis , Implementation , and Evaluation of Vaidya ’ s Preconditioners

Abstract

A decade ago Pravin Vaidya proposed a new class of preconditioners and a new technique for analyzing preconditioners. Preconditioners are essentially easy-to-compute approximate inverses of matrices that are used to speed up iterative linear solvers. Vaidya proposed several families of preconditioners. The simplest one is based on maximum spanning trees… (More)

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