| 释义 |
covariance
英音 [ kəʊˈveərɪəns ]
美音 [ koʊˈveriəns ]
释义
n. [数] 协方差；共分散
例句
1·The distinction between covariance and contravariance is important for computations with tensors, which often have mixed variance.
协变和逆变的区别对于张量的计算尤为重要，这往往会出现混合方差。
2·Another concept that's very basic here is covariance .
另一个基本的概念是协方差。
3·Covariance is a measure of how much two variables move together.
协方差衡量的是两个变量一起变动的情况。
短语
1·covariance matrix
[计]协方差矩阵
2·covariance analysis
协方差分析；积差分析；共变量分析
3·covariance function
协方差函数；共变量函数；积差函数
同义词
n.
[数]协方差；共分散
convariance
同根词
词根 covariant
covariant
adj
协变的
covariant
n
共变式；[数][物] 协变量
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