fourth-order differential equations

• 四阶方程

fourth-order differential equations的用法和样例：

例句

1. By using the method of Darboux transformation the explicit soliton solutions of the coupled nonlinear Schrodinger equations and their higher-order equations are given.
   利用达布变换的方法可以得出耦合的非线性薛丁谔方程及其高阶方程的显式孤子解。