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线性代数-行列式 | HALO #8

Open weepwood opened 3 years ago

weepwood commented 3 years ago

https://halo123.top/2021/04/23/%E7%BA%BF%E6%80%A7%E4%BB%A3%E6%95%B0/%E7%BA%BF%E6%80%A7%E4%BB%A3%E6%95%B0-%E8%A1%8C%E5%88%97%E5%BC%8F/

二阶与三阶行列式 二阶行列式,记作: $$\begin{vmatrix} a{1} & a{2}\ b{1} & b{2} \end{vmatrix}$$ 三阶行列式,记作: $$\begin{vmatrix}a{1} & a{2} & a{3}\b{1} & b{2} & b{3}\c{1} & c{2} & c_{3}\end{vmatrix}$$