摘要: 矩阵 ($A$): 矩形的数组... \begin{align} A_{m \times n} = \begin{bmatrix} a_{11} & a_{12} & \cdots & a_{1n} \\\\ a_{21} & a_{22} & \cdots & a_{2n} \\\\ \vdots 阅读全文
posted @ 2017-05-21 16:45 kcats 阅读(647) 评论(0) 推荐(0)