Lagrangians of the (2+1) -dimensional KP equation with variable coefficients and cross terms

Hongyan Liu; Ji-huan He; Zhimin Li

doi:10.22436/jnsa.009.03.15

Lagrangians of the (2+1) -dimensional KP equation with variable coefficients and cross terms

The Journal of Nonlinear Sciences and Applications 09(03): 870-872

Article 2016 English

Abstract

1 min read

This paper suggests a simple method to construct a needed Lagrangian using the semi-inverse by introducing a simple auxiliary function, the presented method is simpler than Zhang's method to construct a Lagrangian.

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