Perturbation of least squares problem in Hilbert spaces. (Q1854997)
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scientific article; zbMATH DE number 1860887
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Perturbation of least squares problem in Hilbert spaces. |
scientific article; zbMATH DE number 1860887 |
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Perturbation of least squares problem in Hilbert spaces. (English)
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28 January 2003
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Let \(X\), \(Y\) be two Hilbert spaces and \(T: X\to Y\) be a bounded linear operator with closed range. The authors present some estimates related to the least squares solution for the equation \(Tx= y\). One of the main tools in their analysis is the reduced minimum modulus \(r(T)\).
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Moore-Penrose inverse
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least square solution
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reduced minimum modulus
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0.96870446
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0.95979106
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0.9258468
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0.9166551
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0.90994835
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0.9020605
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0.8967635
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