- Zdroj TeX:
- \small P': \left(\begin{matrix}x' \\y' \\1\end{matrix}\right) =
\left(\begin{matrix}
1 & 1 & -2 \\
2 & -1 & 3 \\
0 & 0 & 1
\end{matrix}\right)
\times
\left(\begin{matrix}
x \\
y \\
1
\end{matrix}\right)
=
\left(\begin{matrix}
x+y-2 \\
2x-y+3 \\
1
\end{matrix}\right).