go to 名词 - go to the 名词 1. go to 名词 - go to the 名词2. go to school - go to the school3. go to hospital - go to the hospital4. go to church - go to the church5. go to bed - go to the bed6. go to sea - go to the sea7. go to college/university - go…
矩阵乘以向量可以被理解为该向量在矩阵所代表的空间变换下的映射结果,也可以看作是矩阵列向量的线性组合。为了更好地理解这一点,让我们从矩阵乘法的基本定义出发。
假设有一个 m n m \times n mn的矩阵 A A A和一个 n n n维列向量 x \mathbf{x} x&…