期刊
JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS
卷 207, 期 1, 页码 35-45出版社
ELSEVIER
DOI: 10.1016/j.cam.2006.07.029
关键词
variational iteration method; Jaulent-Miodek equation; nonlinear system of equations; a coupled KdV equation; a coupled MKdV equation
Instead of finding a small parameter for solving nonlinear problems through perturbation method, a new analytical method called He's variational iteration method (VIM) is introduced to be applied to solve nonlinear Jaulent-Miodek, coupled KdV and coupled MKdV equations in this article. In this method, general Lagrange multipliers are introduced to construct correction functionals for the problems. The multipliers can be identified optimally via the variational theory. The results are compared with exact solutions. (C) 2006 Elsevier B.V. All rights reserved.
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