Error estimates for Krylov subspace approximations of matrix exponentials (Q1923468)
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scientific article; zbMATH DE number 932492
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Error estimates for Krylov subspace approximations of matrix exponentials |
scientific article; zbMATH DE number 932492 |
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Error estimates for Krylov subspace approximations of matrix exponentials (English)
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7 April 1997
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The paper derives a better upper estimate of the error for the Krylov subspace approximations to the exponential of a large matrix than that given ealier in the literature. The method is based on Chebyshev series approximations. Numerical examples illustrate the theoretical results.
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error estimates
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matrix exponential
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numerical examples
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Krylov subspace
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Chebyshev series approximations
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0.9805293
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0.9540827
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0.9466959
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0.9445795
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0.9419651
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0.9358852
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0.9317651
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0.93003273
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0.92603004
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0.92095524
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