单词查询
covariances
释义
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网络释义： 斜方差矩阵；共变数分析；协方差分析；
例句
In practice, the class means and covariances are not known.
Secondly, the numerical characteristics such as mathematical expections, variances and covariances are obtained.
其次，研究了如此得到概率分布的数学期望、方差和协方差等数字特征。
Secondly, the numerical characteristics such as mathematical expections, variances and covariances are obtained.
其次，研究了如此得到概率分布的数学期望、方差和协方差等数字特征。