Incomplete block triangular decompositions of order \(l\) (Q1976419)
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scientific article; zbMATH DE number 1445538
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Incomplete block triangular decompositions of order \(l\) |
scientific article; zbMATH DE number 1445538 |
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Incomplete block triangular decompositions of order \(l\) (English)
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10 May 2000
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A special technique is presented to improve the robustness of block triangular decomposition that is an efficient preconditioner for the conjugate gradient method in a wide class of problems. For a model problem theoretical results are given, and more complex problems are illustrated by numerical examples.
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iterative methods
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block triangular decomposition
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preconditioner
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conjugate gradient method
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numerical examples
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