7节点潮流运算的MATLAB程序,包括导纳、雅克比矩阵生成，运算结果输出等部分-7-node system flow calculation procedures, including the admittance matrix, such as the generation of Jacobian matrix, and finally output the results of current operations

本程序采用的是基于matlab的PQ分解法潮流计算，程序主要分为三个部分：第一部分用于生成系统的节点导纳矩阵。第二部分主要进行潮流系统的迭代运算。第三部分主要用于对程序最后输出结果的计算，如电压的幅值，相角，功率分布等。-This procedure is used in matlab the PQ decomposition method based on flow calculation, the program is divided into three parts: The first