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Online LaTeX tables generator
或者用Mathematica数学助手输入矩阵. 快捷键: Ctrl+, 增加列 Ctrl+Enter 增加行
\[\left(
\begin{array}{cccccc}
\square & \square & \square & 3 & \square & \square \\
\square & \square & \square & \square & \square & \square \\
\square & \square & \square & 4 & \square & \square \\
\square & \square & \square & \square & \square & \square \\
\square & \square & 2 & \square & \square & \square \\
\square & \square & \square & \square & 1 & \square \\
\end{array}
\right)\]
用0替换\[Placeholder]
右键复制为 LaTeX 得到\[\left(
\begin{array}{cccccc}
0 & 0 & 0 & 3 & 0 & 0 \\
0 & 0 & 0 & 0 & 0 & 0 \\
0 & 0 & 0 & 4 & 0 & 0 \\
0 & 0 & 0 & 0 & 0 & 0 \\
0 & 0 & 2 & 0 & 0 & 0 \\
0 & 0 & 0 & 0 & 1 & 0 \\
\end{array}
\right)\] |
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