variation method

• 变分法

variation method的用法和样例：

例句

1. Successful use of the variation method depends on our ability to make shrewd choice of the trial function.
   成功地应用变分法取决于对尝试函数作精明选择的能力。
2. The nonlinear differential equations are solved using finite difference method.
   用有限差分法求解非线性微分方程组。