The saddle point problem and the Manteuffel algorithm (Q727894)
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scientific article; zbMATH DE number 6667564
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | The saddle point problem and the Manteuffel algorithm |
scientific article; zbMATH DE number 6667564 |
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The saddle point problem and the Manteuffel algorithm (English)
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21 December 2016
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The paper concentrates on solutions of singular saddle point problems by a two-level stationary iterative method. The underlying linear second-order iterative method leads to the singular Manteuffel algorithm. Derivations of its optimal parameters and semi-convergence factor are presented. Furthermore, optimal parameters for the modified symmetric successive overrelaxation method are given. The results are supported by various numerical experiments.
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singular saddle point problem
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Manteuffel's algorithm
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two-level stationary iterative method
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optimal parameters
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semi-convergence
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numerical experiments
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symmetric successive overrelaxation
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0.9308269
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0.9214727
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0.90817595
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0.9069236
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0.9029374
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