The Euler equation helps us find the curve that minimizes the cost.
欧拉方程帮助我们找到使代价最小的曲线。
In calculus of variations, the Euler equation provides a necessary condition for an extremum, linking a function and its derivative through a differential equation.
在变分法中,欧拉方程为极值提供必要条件,通过一个微分方程把函数及其导数联系起来。