On measures of nonnormality of matrices (Q1090384)
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scientific article; zbMATH DE number 4006444
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | On measures of nonnormality of matrices |
scientific article; zbMATH DE number 4006444 |
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On measures of nonnormality of matrices (English)
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1987
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A matrix is normal if one of at least 10 different, but equivalent, equations hold. 17 different computable quantities, which all are zero at the set of normal matrices, are compared to each other. It is claimed that any of them is a candidate to being a measure of the nonnormality of a matrix.
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normal matrices
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measure of the nonnormality
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