说明：  matlab编写的高等电力系统潮流分布的计算。适合于100节点以内计算，编程简洁易懂。节点个数的改变非常容易，数据结果直观。
(matlab prepared calculate higher power flow distribution. Suitable for less than 100 computing nodes, concise and easy to understand programming. Changes in the number of nodes is very easy, intuitive data results.)