Procrustes problems for (\(P,Q,\eta \))-reflexive matrices (Q848562)
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scientific article; zbMATH DE number 5677348
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Procrustes problems for (\(P,Q,\eta \))-reflexive matrices |
scientific article; zbMATH DE number 5677348 |
Statements
Procrustes problems for (\(P,Q,\eta \))-reflexive matrices (English)
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4 March 2010
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The authors give characterizations of \((P, Q, \eta)\)-reflexive matrices and study their Procrustes problems. They establish a general solution of these problems in terms of lower-order matrices under the condition that \(P\) and \(Q\) are unitary.
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\(k\)-involutary
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\((P, Q, \eta)\)-reflexive
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Procrustes problem
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generalized inverse
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approximal solution
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