One of them is to find the minimum of a maximum of a function when the variables are not independent, and that is the method of Lagrange multipliers.
其中一个是找出一个函数的极小值，极大值，这个函数的变量是相关的，这种方法称为拉格朗日乘数法。
So, then we've seen the method of Lagrange multipliers.
我们就此学过拉格朗日乘数法的。
The FEM calculate method for contact problem, i. e. LAGRANGE multipliers, penalty methods and direct constrains were discussed.
同时探讨了接触问题的三种计算方法——拉格朗日乘子法、罚函数法和基于求解器的直接约束法；
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