分析当多元随机变量协方差阵正定时，各随机分量应满足的关系，并结合多项分布研究离散型与连续型样本协方差阵的不同。

And studying the difference of positive defined matrix of discrete and continuous sample by using of mal-distribution and the relationship among weights.

youdao

分析当多元随机变量协方差阵正定时，各随机分量应满足的关系，并结合多项分布研究离散型与连续型样本协方差阵的不同。

And studying the difference of positive defined matrix of discrete and continuous sample by using of mal-distribution and the relationship among weights.

youdao