Using the simplified Hirota method,we investigated the existence of soliton wave solutions of fifth-order evolution equations.Constructing auxiliary function,we obtained the single soliton solutions and double soliton solutions.Furthermore,we got the N-soliton solutions via this method.%用简化的 Hirota 方法研究一类五阶非线性发展方程的孤波解,通过构造辅助函数得到了该五阶发展方程的单孤立子解和双孤立子解。结果表明,通过该方法可以得到更一般形式的 N-孤立子解。
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