Scaling symmetric positive definite matrices to prescribed row sums. (Q1405034)
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scientific article; zbMATH DE number 1970618
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Scaling symmetric positive definite matrices to prescribed row sums. |
scientific article; zbMATH DE number 1970618 |
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Scaling symmetric positive definite matrices to prescribed row sums. (English)
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25 August 2003
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The author provides a constructive proof of the fact that any real symmetric positive definite matrix can be symmetrically scaled by a positive diagonal matrix to prescribed row sums. Some extensions to diagonal scaling with prescribed sign patterns are given as well.
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matrix scaling
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positive definite matrices
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diagonal preconditioning
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