positive definite covariance

英 [positive definite covariance]
美 [positive definite covariance]

中文释义

[数] 正定协方差

单词分析

单词结构：

positive definite covariance

字母数：28

记忆提示

🎯 重点记忆：

  • 单词拼写：positive definite covariance
  • 核心含义：[数] 正定协方差

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更新时间：2026-02-07 12:11:56