Journal
MATHEMATICS AND COMPUTERS IN SIMULATION
Volume 76, Issue 1-3, Pages 188-192Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matcom.2007.01.016
Keywords
Pade methods; k(n, n) equation; compactons; dispersive shocks
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Three implicit finite difference methods based on Pade approximations in space are developed for the Rosenau-Hyman K(n, n) equation. The analytical solutions and their invariants are used to assess the accuracy of these methods. Shocks which develop after the interaction of compactons are shown to be independent of the numerical method and its parameters indicating that their origin may not be numerical. The accuracy in long-time integrations of high-order Pade methods is shown. (C) 2007 IMACS. Published by Elsevier B.V. All rights reserved.
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