Expanded systems and the ILU preconditioner for solving non-Hermitian linear systems (Q1963941)
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scientific article; zbMATH DE number 1398472
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Expanded systems and the ILU preconditioner for solving non-Hermitian linear systems |
scientific article; zbMATH DE number 1398472 |
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Expanded systems and the ILU preconditioner for solving non-Hermitian linear systems (English)
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7 August 2000
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The author first considers the methods derived from a Hermitian augmented system and makes a comparison with the generalized minimal residual method (GMRES). Then it is shown how to apply the ILU preconditioner to a Hermitian expanded system, which gives advantageous convergence properties.
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non-Hermitian linear systems
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Lanczos process
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Hermitian augmented system
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generalized minimal residual method
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ILU preconditioner
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Hermitian expanded system
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convergence
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