ILU Preconditioning Based on the FAPINV Algorithm

Details ILU Preconditioning Based on the FAPINV Algorithm ILU Preconditioning Based on the FAPINV Algorithm

2010-10-14

arxiv.org/abs/1010.2812v1

Mathematics

Numerical Analysis

16 pages, 1 figure, submitted

Scientific paper

A technique for computing an ILU preconditioner based on the FAPINV algorithm is presented. We show that this algorithm is well-defined for H-matrices. Moreover, when used in conjunction with Krylov-subspace-based iterative solvers such as the GMRES algorithm, results in reliable solvers. Numerical experiments on some test matrices are given to show the efficiency of the new ILU preconditioner.

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