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从近视宅男买早餐到彭罗斯逆矩阵:矩阵的秩|N文粗通线性代数本文是系列文章《n文粗通线性代数》的第三篇。我们在上篇文章中通过矩阵初等变换来引入矩阵的逆及其性质,讨论了线性方程组的求解过程。线性 ...
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