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Numerical Solution of the Coupled System of Nonlinear Fractional Ordinary Differential Equations

Numerical Solution of the Coupled System of Nonlinear Fractional Ordinary Differential Equations
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Year:    2017

Author:    Xiaojun Zhou, Chuanju Xu

Advances in Applied Mathematics and Mechanics, Vol. 9 (2017), Iss. 3 : pp. 574–595

Abstract

In this paper, we consider the numerical method that is proposed and analyzed in [J. Cao and C. Xu, J. Comput. Phys., 238 (2013), pp. 154–168] for the fractional ordinary differential equations. It is based on the so-called block-by-block approach, which is a common method for the integral equations. We extend the technique to solve the nonlinear system of fractional ordinary differential equations (FODEs) and present a general technique to construct high order schemes for the numerical solution of the nonlinear coupled system of fractional ordinary differential equations (FODEs). By using the present method, we are able to construct a high order schema for nonlinear system of FODEs of the order $α$, $α>0$. The stability and convergence of the schema is rigorously established. Under the smoothness assumption $f,g ∈ C^4[0,T]$, we prove that the numerical solution converges to the exact solution with order $3+α$ for $0<α≤1$ and order $4$ for $α>1$. Some numerical examples are provided to confirm the theoretical claims.

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Journal Article Details

Publisher Name:    Global Science Press

Language:    English

DOI:    https://doi.org/10.4208/aamm.2015.m1054

Advances in Applied Mathematics and Mechanics, Vol. 9 (2017), Iss. 3 : pp. 574–595

Published online:    2017-01

AMS Subject Headings:    Global Science Press

Copyright:    COPYRIGHT: © Global Science Press

Pages:    22

Keywords:    System of fractional ordinary differential equations high order schema stability and convergence analysis.

Author Details

Xiaojun Zhou

Chuanju Xu

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