Rational approximations for ill-conditioned equation systems (Q814732)
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scientific article; zbMATH DE number 5004363
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Rational approximations for ill-conditioned equation systems |
scientific article; zbMATH DE number 5004363 |
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Rational approximations for ill-conditioned equation systems (English)
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7 February 2006
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The authors present a class of fast iterative solvers for ill-conditioned symmetric and positive-definite systems. Their algorithms are based on the Showalter method of Padé approximants to the exponential function. Convergence results, together with numerical experiments are presented.
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Iterative methods
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fixed point iteration
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Rational approximation
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Padé approximants
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Ill-conditioned systems
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convergence
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numerical experiments
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