基于pso_lssvm的预测程序，直接可用，可以出图，可以修改。加入了粒子变异、权值的递减策略（去掉%就行了）。注意：excel记得放对位置(Pso_lssvm based prediction program, directly available, you can map, you can modify. Added a particle mutation, weight reduction strategy (remove%))