TSP问题，是一个多局部最优的最优化问题：有n个城市，一个推销员要从其中某一个城市出发，唯一走遍所有的城市，再回到他出发的城市，求最短的路线。-TSP, is more than one local optimum optimization problem: There are n cities, where a salesman　one city starting only traveled all the cities, and then returned to his departure city, seeking the shortest route.