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

单词	variace-covariance matrix
释义	variace-covariance matrix Encyclopedia 工学精度释 variace-covariance matrix方差-协方差矩阵随机变量的方差和协方差的集合。是以随机变量的方差为主对角元素，随机变量间的协方差为非主对角元素构成的一个对称方阵。
随便看	triangulation triangulation algorithm triangulation based measurement triangulation chain triangulation grid triangulation invariant triangulation measuring distance triangulation network Triangulation of implicit surfaces triangulation point triangulation problem triangulation theorem Triangulum Triangulum Australe Triangulum Galaxy Triangulum Nebula trianion trianopia triarch triarchic theory of intelligence Triassic Triassic coal-forming plant Triassic Period triaster triathlon

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