Relaxation strategies for nested Krylov methods (Q1775594)
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scientific article; zbMATH DE number 2164838
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Relaxation strategies for nested Krylov methods |
scientific article; zbMATH DE number 2164838 |
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Relaxation strategies for nested Krylov methods (English)
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4 May 2005
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The authors present a prconditioned Krylov subspaces technique based on another ``flexible'' iterative Krylov method. The result consists in the reduction of the work concerned with the matrix-vector products. Numerical experiments are presented for a global ocean circulation problem.
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inexact matrix-vector multiplication
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flexible Krylov methods
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inner-outer iteration
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relaxation strategies
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Schur complement
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numerical experiments
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global ocean circulation
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preconditioning
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Krylov subspace methods
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0.8984645
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0.89135826
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0.8874321
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0.8774026
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0.8765377
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