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Variational approach for a generalized Davey-Stewartson system

L Xu et al 2008 J. Phys.: Conf. Ser. 96 012209 (5pp)   doi: 10.1088/1742-6596/96/1/012209  Help

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L Xu1 and N Zhang2
1 Modern Texitile Institute, Donghua University, 1882 Yan'an Xilu Road, Shanghai 200051, China
2 Shanghai Changkai Geotechnical Engineering Limited Company, 5 Huqiu Road, Shanghai 200002, China

Abstract. In this paper a variational principle is established for a generalized Davey-Stewartson (GDS) system by He's semi-inverse method. Based on the established variational formulation, the traveling wave solutions of the GDS system can be easily obtained by Ritz method.

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