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"quote": "复数情况也可作类似讨论：全体 $n\\times n$ 非奇异复矩阵组成群 $GL(n,\\mathbb{C})$。除 $n=1$ 外，这些群均非阿贝尔，因为一般有 $\\mathsf{A}\\mathsf{B}\\ne\\mathsf{B}\\mathsf{A}$。它们并称为$n$ 阶一般线性群(general linear group)。以矩阵为元素、矩阵乘法为组成法则的子群统称为矩阵群(matrix group)。",
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