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Modified extended tanh-function method for solving nonlinear partial differential equations. (English) Zbl 0996.35043

Summary: Based on an extended tanh-function method, a general method is suggested to obtain multiple travelling wave solutions for nonlinear partial differential equations (PDEs). The validity and reliability of the method is tested by its application to some nonlinear PDEs. The obtained results are compared with that of an extended tanh-function method and hyperbolic-function method. New exact solutions are found.

MSC:

35L70 Second-order nonlinear hyperbolic equations
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