该函数用来计算任意函数的一阶偏导数(数值方法),分形维数计算的毯子算法matlab代码,电力系统暂态稳定程序，可以进行暂态稳定计算。- This function is used to calculate the arbitrary function of the first order partial derivative (numerical methods), Fractal dimension calculation algorithm matlab code blankets, Power System Transient Stability Program, can be transient stability.