Invariant manifolds and global error
estimates of numerical integration schemes applied
to stiff systems of singular perturbation type --
Part I: RK-methods |
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Authors: | K Nipp D Stoffer |
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Institution: | (1) Departement Mathematik, ETH Z\"urich, CH-8092 Z\"urich, Switzerland , CH |
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Abstract: | Summary.
For implicit RK-methods applied to
singularly perturbed systems of ODEs it is shown
that the resulting discrete systems preserve the
geometric properties of the underlying ODE. This
invariant manifold result is used to derive sharp
bounds on the global error of RK-solutions.
Received August 26, 1993 / Revised version received May 10,
1994 |
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Keywords: | Mathematics Subject Classification (1991):65L 34C |
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