How to write augmented matrix in LeTex?
1 min readJul 25, 2020
Here is the LeTex code.
\left[
\begin{matrix}
1 & 2 & 3 \\
1 & 2 & 3 \\
1 & 2 & 3
\end{matrix}
\left|
\,
\begin{matrix}
4 \\
4 \\
4
\end{matrix}
\right.
\right]
The output is: