采用牛顿法实现简单的无约束的最优化问题，本程序实现简单的计算，计算无约束最优化问题的最优解-Using Newton' s method to achieve a simple optimization problem without constraints

电力系统中利用牛顿拉夫逊法来计算实际电网中各发电厂的潮流计算，用来求解关于电网分配电能的最优解。-In the power system using the newton-raphson method to calculate the power flow calculation of each power plant in the actual power grid, used to solve for the optimal solution of distribution power gr