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物理学报. 2005, 54(6): 2505-2509.
doi: 10.7498/aps.54.2505.
试探方程法及其在非线性发展方程中的应用
- 收稿日期: 2004-08-20
- 修回日期: 2004-10-27
- 刊出日期: 2005-03-05
摘要: 提出了一种比较系统的求解非线性发展方程精确解的新方法, 即试探方程法. 以一个带5阶 导数项的非线性发展方程为例, 利用试探方程法化成初等积分形式，再利用三阶多项式的完 全判别系统求解，由此求得的精确解包括有理函数型解, 孤波解, 三角函数型周期解, 多项 式型Jacobi椭圆函数周期解和分式型Jacobi椭圆函数周期解
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关键词:
- 试探方程法 /
- 非线性发展方程 /
- 孤波解 /
- Jacobi椭圆函数 /
- 周期解
English Abstract
Trial equation method and its applications to nonlinear evolution equations
- Received Date:
20 August 2004
- Accepted Date:
27 October 2004
- Published Online:
05 March 2005
Abstract: A new method, that is, trial equation method, was given to obtain the exact trav eling wave solutions for nonlinear evolution equations. As an example, a class o f fifth-order nonlinear evolution equations was discussed. Its exact traveling w ave solutions, which included rational form solutions, solitary wave solutions, triangle function periodic solutions, polynomial type Jacobian elliptic function periodic solutions and fractional type Jacobian elliptic function periodic solu tions, were given.
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