Figure 1: a normal distribution with mean 3 and variance 1.

图1：平均值为3且方差为1的正态分布。

youdao

It's very important to understand what the mean-variance frontier actually means.

要理解边界上的平均方差真正的含义是非常重要的。

youdao

It's very important to understand what the mean-variance frontier actually means.

要理解边界上的平均方差真正的含义是非常重要的。

youdao