3 机9 节点数据　　 潮流计算在数学上属于多元非线性方程组的求
解问题，在用迭代法求解时涉及到大量的矢量和矩阵运算，因而寻求一个能高效
地处理矩阵运算的语言，将给潮流计算程序的编制带来巨大的方便.(Power flow calculation is mathematically the solution of multivariate nonlinear equations.
Solving the problem involves a large number of vector and matrix operations when solving the iterative method, thus seeking a highly efficient solution.
The language of matrix operation will bring great convenience to the compilation of power flow calculation program.)