Accurate and efficient \(LDU\) decomposition of almost diagonally dominant \(Z\)-matrices (Q398617)
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scientific article; zbMATH DE number 6330850
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Accurate and efficient \(LDU\) decomposition of almost diagonally dominant \(Z\)-matrices |
scientific article; zbMATH DE number 6330850 |
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Accurate and efficient \(LDU\) decomposition of almost diagonally dominant \(Z\)-matrices (English)
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15 August 2014
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The authors propose an efficient and highly accurate method to compute the \(LDU\) decomposition of a class of nonsingular \(Z\)-matrices. This decomposition is rank revealing and, in some cases outperforms the Gaussian elimination with complete pivoting.
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\(LDU\) decomposition
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rank revealing decomposition
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accuracy
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\(Z\)-matrices
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almost diagonal dominance
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Gaussian elimination
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