A note on the perturbation bound of \(Q\)-factors (Q705088)
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scientific article; zbMATH DE number 2130963
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | A note on the perturbation bound of \(Q\)-factors |
scientific article; zbMATH DE number 2130963 |
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A note on the perturbation bound of \(Q\)-factors (English)
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25 January 2005
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By adding the orthogonal projectors into the bound of unitary polar factors, a uniform perturbation bound of \(Q\)-factors is obtained, and on this basis the previous bounds are improved.
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polar decomposition
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norm
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perturbation bound
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\(Q\)-factors
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0.91794467
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0.89428866
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0.88997924
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0.88064426
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