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标签: 线性代数

1 篇文章

线性代数(持续更新中)
1. 基本概念 1.1 行列式 二阶行列式: [latex]\left|\begin{matrix}a_{11}&a_{12}\\a_{21}&a_{22}\end{matrix}
\right| = a_{11}\times a_{12} - a_{21}\times a_{22}[/latex] …

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