Exact prediction of QR fill-in by row-merge trees (Q2706477)
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scientific article
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Exact prediction of QR fill-in by row-merge trees |
scientific article |
Statements
19 March 2001
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row-merge trees
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elimination trees
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sparse QR factorization
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Householder reflectors
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Exact prediction of QR fill-in by row-merge trees (English)
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The author presents a fast and simple postprocessing step for row-merge trees that predicts the exact fill-in for sparse QR factorization using Householder reflectors for general matrices.
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