矩阵<img class=jc-formula data-tex=\left[ 1\quad 0\\ 0\quad 2 \right] src=https://huaweicloudobs.ahjxjy.cn/8AE2BE6DA52CD4A1210D19BD18F11419.png style=vertical-align: middle;/>的逆矩阵是<img class=jc-formula data-tex=\left[ 2\quad 0\\ 0\quad 1 \right] src=https://huaweicloudobs.ahjxjy.cn/74F019922584A54BAC584397F9D68604.png style=vertical-align: middle;/>