Backword error bounds for approximate Krylov subspaces (Q5956241)
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scientific article; zbMATH DE number 1708950
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Backword error bounds for approximate Krylov subspaces |
scientific article; zbMATH DE number 1708950 |
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Backword error bounds for approximate Krylov subspaces (English)
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10 October 2002
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Let \(A\) be an \(n\times n\) matrix and \(U\) a \(k\)-dimensional subspace of the \(n\)-dimensional complex vector space. A matrix \(E\) of minimal norm is determined such that \(U\) is a Krylov of \(A+E\).
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backward error bounds
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Krylov subspaces
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