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Approximate Inverse Techniques for Block-Partitioned Matrices

✍ Scribed by Chow, Edmond; Saad, Yousef


Book ID
118189561
Publisher
Society for Industrial and Applied Mathematics
Year
1997
Tongue
English
Weight
691 KB
Volume
18
Category
Article
ISSN
1064-8275

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We investigate the use of sparse approximate inverse techniques in a multilevel block ILU preconditioner to design a robust and efficient parallelizable preconditioner for solving general sparse matrices. The resulting preconditioner retains robustness of the multilevel block ILU preconditioner (BIL