central reflector

In the ISM,the reflection center is located based on the information of the objective function values,so the reflection direction points to the optimal value more closely.

在N-M单纯形算法的基础上,利用目标函数值的信息对反射中心重新定位,使反射方向更靠近目标函数最优值的方向,提高了搜索效率。