On positive invertibility of matrices (Q1265490)
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scientific article; zbMATH DE number 1203807
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | On positive invertibility of matrices |
scientific article; zbMATH DE number 1203807 |
Statements
On positive invertibility of matrices (English)
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9 March 1999
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The main result, Theorem 1.1, gives a technical condition for a real matrix to have a nonnegative inverse. An immediate consequence (Corollary 1.2) is the very easy result that a triangular matrix with positive diagonal and nonnegative off diagonal terms has a nonnegative inverse.
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nonnegative inverse
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positive invertibility
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triangular matrix
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