On constraint preconditioners for generalized saddle point matrices (Q979268)
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scientific article; zbMATH DE number 5726750
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | On constraint preconditioners for generalized saddle point matrices |
scientific article; zbMATH DE number 5726750 |
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On constraint preconditioners for generalized saddle point matrices (English)
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25 June 2010
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The authors propose and theoretically analyze a constraint preconditioner for the large sparse generalized saddle point problem. A special interest is given to the case when the skew-symmetric part of the left upper block of the problem matrix is dominantly stronger than its symmetric part.
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saddle point problems
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iterative methods
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preconditioning
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nonsymmetric indefinite linear systems
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Navier-Stokes equations
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0.96291447
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0.95835274
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0.9576974
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0.9472964
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0.94624233
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0.9447771
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0.94284296
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0.94281614
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