计算函数，为求某一函数的最小值。其中自变量的个数为2个。可自己设定。-Calculation function, for the sake of the minimum value of a function. In which the number of independent variables for the two. Can be set.

约束优化的复合型法，寻找优化问题的最优点和最优值-This function offers a function to solve the minimum point and minimum value of a constrained optimization problem by using complex method