Backward error analysis for numerical integrators:

Abstract: "We consider backward error analysis of numerical approximations to ordinary differential equations, i.e., the numerical solution is formally interpreted as the exact solution of a modified differential equation. A simple recursive definition of the modified equation is stated. This r...

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Bibliographic Details
Main Author: Reich, Sebastian (Author)
Format: Book
Language:German
Published: Berlin Konrad-Zuse-Zentrum für Informationstechnik 1996
Series:Konrad-Zuse-Zentrum für Informationstechnik <Berlin>: Preprint SC 1996,21
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Summary:Abstract: "We consider backward error analysis of numerical approximations to ordinary differential equations, i.e., the numerical solution is formally interpreted as the exact solution of a modified differential equation. A simple recursive definition of the modified equation is stated. This recursion is used to give a new proof of the exponentially closeness of the numerical solutions and the solutions to an appropriate truncation of the modified equation. We also discuss qualitative properties of the modified equation and apply these results to the symplectic variable step-size integration of Hamiltonian systems, the conservation of adiabatic invariants, and numerical chaos associated to homoclinic orbits."
Item Description:Literaturverz. S. 27 - 29
Physical Description:29 S. graph. Darst.

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