A fast implicit QR eigenvalue algorithm for companion matrices (Q848584)
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scientific article; zbMATH DE number 5677364
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | A fast implicit QR eigenvalue algorithm for companion matrices |
scientific article; zbMATH DE number 5677364 |
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A fast implicit QR eigenvalue algorithm for companion matrices (English)
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4 March 2010
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The authors present an implicit version of the shifted \(QR\) eigenvalue algorithm for the efficient computation of the eigenvalues of companion matrices. Some complementary issues concerning deflation and stepping techniques, together with extensive numerical experiments are also reported.
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companion matrix
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quasiseparable structure
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\(QR\) iteration
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eigenvalue computation
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complexity
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numerical experiments
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0.9247762
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