・この動画「

如何证明与满秩矩阵相乘秩不变

」@bilibili.comと
　　↓↓↓一緒に視聴されています(Often Viewed With)：↓↓↓
・矩阵论｜行列式因子、不变因子、初等因子，Jordan标准型求解
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・他讲清楚了！矩阵的阶、维数、秩、零度、零空间、列空间
・两分钟教你最快速求解矩阵的逆

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