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输入稀疏矩阵

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hbghlyj posted 2023-4-4 00:14 |Read mode
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
photo_2021-02-18_16-27-02.jpg
\[\left(
\begin{array}{cccccc}
\square  & \square  & \square  & 3 & \square  & \square  \\
\square  & \square  & \square  & \square  & \square  & \square  \\
\square  & \square  & \square  & 4 & \square  & \square  \\
\square  & \square  & \square  & \square  & \square  & \square  \\
\square  & \square  & 2 & \square  & \square  & \square  \\
\square  & \square  & \square  & \square  & 1 & \square  \\
\end{array}
\right)\]
用0替换\[Placeholder]
v2-bef8dd7555b980d4f07318274b0c8e67_b[1].jpg
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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