摘要: 给出一个方程组,有 $n$ 个未知数,$m$ 个方程: $$a_{11}x_{1} + a_{12}x_{2} + ... + a_{1n}x_{n} = b_{1} \\a_{21}x_{1} + a_{22}x_{2} + ... + a_{2n}x_{n} = b_{2} \\ ... \\a 阅读全文
posted @ 2020-08-10 11:09 _yanghh 阅读(843) 评论(0) 推荐(0) 编辑