weighted mean value的意思|示意

The weighted mean of the random variable is the expected value.

随机变量的加权平均值是期望值。

According to the value of weighted mean roughness the priority of different characteristic information can be distinguished, so the proposed method possesses strong tolerant ability.

按加权平均粗糙集的大小区分层内各特征信息的优先级，具有很强的容错能力。

Optimizes turning Angle of various sections in the public feasible zone, and then obtains the optimal value of target functions by evaluating weighted mean.

在公共可行域内优化各个截面的转角，然后加权平均可得到目标函数的最优值。