The optimal preconditioner of strictly diagonally dominant \(Z\)-matrix (Q942889)
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scientific article; zbMATH DE number 5322534
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | The optimal preconditioner of strictly diagonally dominant \(Z\)-matrix |
scientific article; zbMATH DE number 5322534 |
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The optimal preconditioner of strictly diagonally dominant \(Z\)-matrix (English)
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8 September 2008
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The paper is concerned with preconditioners for \(Z\)-matrices. In particular, the given matrix is multiplied by the preconditioner before a regular splitting. The coefficients of upper triangular matrices for this purpose are determined by the nonnegativity of the nondiagonal entries of the \(Z\)-matrix.
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\(m\)-matrix
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preconditioning
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strictly diagonally dominant \(Z\)-matrix
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regular splitting
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