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An explicit one-step multischeme sixth order method for systems of special structure

Author

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  • Eremin, Alexey S.
  • Kovrizhnykh, Nikolai A.
  • Olemskoy, Igor V.

Abstract

Structure based partitioning of a system of ordinary differential equations is considered. A general form of the explicit multischeme Runge–Kutta type method for such systems is presented. Order conditions and simplifying conditions are written down. An algorithm of derivation of the sixth order method with seven stages and reuse with two free parameters is given. It embeds a fourth order error estimator. Numerical comparison to the Dormand–Prince method with the same computation cost but of lower order is performed.

Suggested Citation

  • Eremin, Alexey S. & Kovrizhnykh, Nikolai A. & Olemskoy, Igor V., 2019. "An explicit one-step multischeme sixth order method for systems of special structure," Applied Mathematics and Computation, Elsevier, vol. 347(C), pages 853-864.
    • Handle: RePEc:eee:apmaco:v:347:y:2019:i:c:p:853-864
    DOI: 10.1016/j.amc.2018.11.053
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