mat is a minimal python script to paste a LaTeX matrix on your clipboard.
in:
"1,2,3;4,5,6;7,8,9"
out:
\begin{matrix}
1 & 2 & 3 \\
4 & 5 & 6 \\
7 & 8 & 9 \\
\end{matrix}
You can now ctrl+V this wherever is needed.
mat "" 1,2,3;4,5,6;7,8,9 yields
\begin{matrix}
1 & 2 & 3 \\
4 & 5 & 6 \\
7 & 8 & 9 \\
\end{matrix}
mat p 1,2,3;4,5,6;7,8,9 yields
\begin{pmatrix}
1 & 2 & 3 \\
4 & 5 & 6 \\
7 & 8 & 9 \\
\end{pmatrix}
mat b 1,2,3;4,5,6;7,8,9 yields
\begin{bmatrix}
1 & 2 & 3 \\
4 & 5 & 6 \\
7 & 8 & 9 \\
\end{bmatrix}
mat B 1,2,3;4,5,6;7,8,9 yields
\begin{Bmatrix}
1 & 2 & 3 \\
4 & 5 & 6 \\
7 & 8 & 9 \\
\end{Bmatrix}
mat v 1,2,3;4,5,6;7,8,9 yields
\begin{vmatrix}
1 & 2 & 3 \\
4 & 5 & 6 \\
7 & 8 & 9 \\
\end{vmatrix}
mat V 1,2,3;4,5,6;7,8,9 yields
\begin{Vmatrix}
1 & 2 & 3 \\
4 & 5 & 6 \\
7 & 8 & 9 \\
\end{Vmatrix}
mat small 1,2,3;4,5,6;7,8,9 yields
\begin{smallmatrix}
1 & 2 & 3 \\
4 & 5 & 6 \\
7 & 8 & 9 \\
\end{smallmatrix}