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如何直观地理解「协方差矩阵」？
协方差矩阵在统计学和机器学习中随处可见，一般而言，可视作方差和协方差两部分组成，即方差构成了对角线上的元素，协方差构成了非对角线上的元素。本文旨在从几何角度介绍我们所熟知的协方差矩阵。文章结构方差和…

Issue #6

Seraph JACK []
LaTeX formulas don't render
Type of issue
Submitted via the Previews bot
Reported
Sep 22, 2022