Selection of fictitious independent variables for the solution of sparse linear equations (Q1178988)
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scientific article; zbMATH DE number 23669
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Selection of fictitious independent variables for the solution of sparse linear equations |
scientific article; zbMATH DE number 23669 |
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Selection of fictitious independent variables for the solution of sparse linear equations (English)
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26 June 1992
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The independent variable technique (IVR) for sparse linear systems of equations is presented. An efficient ordering technique for minimizing the number of IVRs is given. Error analysis is obtained as well. The technique can be applied to system matrices with designable entries. It is compared with some other techniques on general test problems.
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independent variable technique
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sparse linear systems
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ordering
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error analysis
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test problems
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direct method
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round-off error
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truncation error
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