名词
中文翻译：标量协方差矩阵
同义词：
['scalar covariance', 'scalar covariance matrix例句：1. In the context of machine learning', 'a scalar covariance matrix is used to represent the mean squared error between two sets of data points.（在机器学习的背景下，一个标量协方差矩阵被用来表示两个数据点集之间的均方误差。）']
例句：
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1. In the context of machine learning, a scalar covariance matrix is used to represent the mean squared error between two sets of data points.
在机器学习的背景下，一个标量协方差矩阵被用来表示两个数据点集之间的均方误差。
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2. The scalar covariance matrix is calculated using the formula for variance-covariance matrices.
标量协方差矩阵的计算使用方差-协方差矩阵的公式。
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3. The scalar covariance matrix is used in statistical analysis to account for the correlations among variables.
标量协方差矩阵在统计分析中用于考虑变量之间的相关性。