上次我们看了，怎样利用拉格朗日算子，去求解一个受约束的，多变量函数的最大最小值。
OK, so last time we saw how to use Lagrange multipliers to find the minimum or maximum of a function of several variables when the variables are not independent.
本模型采用破开算子法求解控制方程：用欧拉-拉格朗日法求解水平对流项；
The operator-splitting scheme is used to solve the governing equations: using the Eulerian-Lagrangian method for solving the horizontal advection terms;
本模型采用破开算子法求解控制方程：用欧拉-拉格朗日法求解水平对流项；
The operator-splitting scheme is used to solve the governing equations: using the Eulerian-Lagrangian method for solving the horizontal advection terms;
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