单纯形法是线性规划问题的最优解求解的方法，最小二乘法通过最小化误差平方和寻找数据的最佳函数匹配。这里给提供了源码。-Simplex method linear programming method for solving the optimal solution, the least square method by minimizing the square error function to find the best match the data. Here to provide a so