摘要
给出了随机向量的协方差矩阵。
This paper states two important natures of covariance matrix and correlative coefficient of stochastic vector.
出处
《张家口师专学报》
2002年第6期7-9,共3页
Journal of Zhangjiakou Teachers College
关键词
协方差矩阵
随机向量
数学期望
相关系数
数理统计
stochastic vector
mathematics expectation
matrix
covariance matrix
correlative coefficient