A Note on the Semi-Inverse Method and a Variational Principle for the Generalized KdV-mKdV Equation

作者:Yao Li; Yang Yun Jie; Zhou Xing Wei*
来源:Abstract and Applied Analysis, 2013, 2013: 931643.
DOI:10.1155/2013/931643

摘要

Ji-Huan He systematically studied the inverse problem of calculus of variations. This note reveals that the semi-inverse method also works for a generalized KdV-mKdV equation with nonlinear terms of any orders.

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