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Multilevel ILU With Reorderings for Diagonal Dominance

SIAM J. Sci. Comput. Volume 27, Issue 3, pp. 1032-1057 (2005)

Issue Date: 2005
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This paper presents a preconditioning method based on combining two-sided permutations with a multilevel approach. The nonsymmetric permutation exploits a greedy strategy to put large entries of the matrix in the diagonal of the upper leading submatrix. The method can be regarded as a complete pivoting version of the incomplete LU factorization. This leads to an effective incomplete factorization preconditioner for general nonsymmetric, irregularly structured, sparse linear systems.

©2005 Society for Industrial and Applied Mathematics
Permalink: http://dx.doi.org/10.1137/030602733

KEYWORDS and AMS

Keywords
AMS Subject Classifications
65F10, 65N06

PUBLICATION DATA

ISSN:
1064-8275 (print)   1095-7197 (online)
Publisher:
AIP is a member of CrossRef SIAM

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