Representations for the Drazin inverses of the sum of two matrices and some block matrices (Q449477)
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scientific article; zbMATH DE number 6074613
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Representations for the Drazin inverses of the sum of two matrices and some block matrices |
scientific article; zbMATH DE number 6074613 |
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Representations for the Drazin inverses of the sum of two matrices and some block matrices (English)
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30 August 2012
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The authors derive formulae for the Drazin inverse of the sum \(P+Q\) when the product of certain powers of \(P\) and \(Q\) vanish. Using these, they present representations for the Drazin inverse of certain block matrices.
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Drazin inverse
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matrix index
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block matrix
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generalized Schur complement
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