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范例：$2\times2$矩阵与$2\times1$向量相乘

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Topics in 范例：$2\times2$矩阵与$2\times1$向量相乘

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  1. 行向量

  2. 矩阵与向量相乘

  3. 矩阵与另一矩阵相乘

  4. 积矩阵的维数

  5. 零矩阵和单位矩阵

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