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Approximate Inverse Circulant-plus-Diagonal Preconditioners for Toeplitz-plus-Diagonal Matrices

✍ Scribed by Ng, Michael K.; Pan, Jianyu

Book ID
118191946
Publisher
Society for Industrial and Applied Mathematics
Year
2010
Tongue
English
Weight
547 KB
Volume
32
Category
Article
ISSN
1064-8275

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Splitting iterations for circulant-plus-
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✍ Man-Kiu Ho; Michael K. Ng πŸ“‚ Article πŸ“… 2005 πŸ› John Wiley and Sons 🌐 English βš– 134 KB

## Abstract We consider the system of linear equations (__C__ + __iD__)__x__=__b__, where __C__ is a circulant matrix and __D__ is a real diagonal matrix. We study the technique for constructing the normal/skew‐Hermitian splitting for such coefficient matrices. Theoretical results show that if the