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Zbl 1154.65350
Chowdhury, M.S.H.; Hashim, I.
Application of multistage homotopy-perturbation method for the solutions of the Chen system. (English)
[J] Nonlinear Anal., Real World Appl. 10, No. 1, 381-391 (2009). ISSN 1468-1218

Summary: In this paper, a new reliable algorithm based on an adaptation of the standard homotopy-perturbation method (HPM) is applied to the Chen system which is a three-dimensional system of ODEs with quadratic nonlinearities. The HPM is treated as an algorithm in a sequence of intervals for finding accurate approximate solutions to the Chen system. We shall call this technique as the multistage HPM (for short MHPM). In particular we look at the accuracy of the HPM as the Chen system changes from a nonchaotic system to a chaotic one. Numerical comparisons between the MHPM and the classical fourth-order Runge-Kutta (RK4) numerical solutions reveal that the new technique is a promising tool for the nonlinear chaotic and nonchaotic systems of ODEs.

MSC 2000:: *65L99 Numerical methods for ODE
34A45 Theoretical approximation of solutions of ODE

Keywords: Chen system; chaos; homotopy-perturbation method; fourth-order Runge-Kutta method

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Zentralblatt MATH Berlin [Germany]