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摘要: \[ X=\left| \begin{matrix} x_{11} & x_{12} & \cdots & x_{1d}\\ x_{21} & x_{22} & \cdots & x_{2d}\\ \vdots & \vdots & \ddots & \vdots \\ x_{11} & x_{12 阅读全文
posted @ 2022-02-22 15:08 Geoffrey_one 阅读(295) 评论(0) 推荐(0) 编辑
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