J4 ›› 2012, Vol. 50 ›› Issue (03): 487-.

• 数学 • 上一篇    下一篇

利用改进的(G′/G)函数法求解非线性发展方程的行波解

常晶1, 刘丽环1, 高忆先2,3, 刘博文4   

  1. 1. 空军航空大学 基础部, 长春 130022|2. 东北师范大学 数学与统计学院, 长春 130024;3. 吉林大学 符号计算与知识工程教育部重点实验室, 长春 130012|4. 吉林大学 数学学院, 长春 130012
  • 收稿日期:2011-09-15 出版日期:2012-05-26 发布日期:2012-05-28
  • 通讯作者: 高忆先 E-mail:gaoyx643@nenu.edu.cn

Traveling Wave Solutions of Nonlinear Evolution Equationsby Improved (G′/G) Method

CHANG Jing1, LIU Lihuan1, GAO Yixian2,3, LIU Bowen4   

  1. 1. Department of Foundation, Aviation University of Air Force, Changchun 130022, China;2. School of Mathematics and Statistics, Northeast Normal University, Changchun 130024, China;3. Key Laboratory of Symbolic Computation and Knowledge Engineering of Ministry of Education, Jilin University,Changchun 130012, China|4. College of Mathematics, Jilin University, Changchun 130012, China
  • Received:2011-09-15 Online:2012-05-26 Published:2012-05-28
  • Contact: GAO Yixian E-mail:gaoyx643@nenu.edu.cn

摘要:

借助于Matlab软件, 利用改进的(G′/G)函数法获得了修正的非线性DegasperisProcesi方程和非线性波动方程精确形式的行波解, 并且把用改进
的(G′/G)函数法获得的结果与双曲正切函数法或(G′/G)函数法得到的结果进行比较. 结果表明, 该方法更有效, 且可得到更多的精确形式行波解.

关键词: 改进的(G′/G)函数法, 修正的非线性DegasperisProcesi方程, 非线性波动方程, 行波解

Abstract:

With the help of Matlab software, we employed the improved (G′/G) method to obtain exact traveling wave solutions of modified nonlinear DegasperisProcesi equation and nonlinear wave equation. The improved (G′/G) method provided more general forms of solutions. This method is effective.

Key words: improved (G′/G) method, modified nonlinear DegasperisProcesi equation, nonlinear wave equation, tranveling wave solutionb

中图分类号: 

  • O175.21