中文说明：
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。
English Description：
Based on PSO_ LSSVM prediction program, directly available, can plot, can be modified. Added particle mutation, weight decreasing strategy (remove% on the line). Note: Excel should be placed in the right place.