This paper spreads the notion of inversion of matrix and defines the inversion of rectangular matrix, accompanied by the discussion of its properties.
推广了矩阵的逆的概念，给出了长方矩阵的逆的定义，讨论了长方矩阵的逆的几个性质，给出了求长方矩阵的一个逆的方法。
This paper spreads the notion of inversion of matrix and defines the inversion of rectangular matrix, accompanied by the discussion of its properties.
推广了矩阵的逆的概念，给出了长方矩阵的逆的定义，讨论了长方矩阵的逆的几个性质，给出了求长方矩阵的一个逆的方法。
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