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Zbl 1246.65193
Zedan, Hassan A.; El Adrous, Eman
The application of the homotopy perturbation method and the homotopy analysis method to the generalized Zakharov equations. (English)
[J] Abstr. Appl. Anal. 2012, Article ID 561252, 19 p. (2012). ISSN 1085-3375; ISSN 1687-0409/e

Summary: We introduce two powerful methods to solve the generalized Zakharov (GZ) equations; one is the homotopy perturbation method (HPM) and the other is the homotopy analysis method (HAM). The homotopy perturbation method is proposed for solving the generalized Zakharov equations. The initial approximations can be freely chosen with possible unknown constants which can be determined by imposing the boundary and initial conditions; the homotopy analysis method is applied to solve the generalized Zakharov equations. HAM is a strong and easy-to-use analytic tool for nonlinear problems. Computation of the absolute errors between the exact solutions of the GZ equations and the approximate solutions, comparison of the HPM results with those of Adomian's decomposition method and the HAM results, and computation the absolute errors between the exact solutions of the GZ equations with the HPM solutions and HAM solutions are presented.

MSC 2000:: *65M99 Numerical methods for IVP of PDE
35Q53 KdV-like equations
35Q35 Other equations arising in fluid mechanics
65M15 Error bounds (IVP of PDE)

Keywords: generalized Zakharov equation; homotopy perturbation method; homotopy analysis method; Adomian's decomposition method; error bounds; comparison of methods; numerical examples

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