中文说明：dijkstra算法的matlab程序，用于优化路径规划的初始路径，只能做出一个次优的结果，以后可以用很多优化算法来进一步优化
English Description：
Dijkstra algorithm matlab program, used to optimize the initial path of path planning, can only make a suboptimal result, later can use many optimization algorithms to further optimize