“covariance matrix”的概念、定义、翻译、参考文献-科学参考

单词	covariance matrix
释义	covariance matrix Encyclopedia 理学临床试验的自适应性设计释 covariance matrix协方差矩阵在统计学与概率论中，协方差矩阵是由随机向量各分量协方差组成的矩阵，其第行，第列位置的元素是随机向量的第个与第个随机变量之间协方差的矩阵，其主对角元为对应随机变量的方差，每个协方差矩阵都是对称半正定的。又称离差矩阵、方差-协方差矩阵。 Mathematics ＞概率论＞随机变量＞释义 covariance matrix协方差阵＞概率论＞随机分析＞释义 covariance matrix协方差矩阵 covariance matrix协方差矩阵^† Astronomy covariance matrix协方差矩阵
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