Zdroj TeX:

(x'\;y')=\left( \begin{array}{} x & y \end{array} \right) ·\left( \begin{array}{} a_{11} & a_{21} \\ a_{12} & a_{22} \\ \end{array} \right)+\left( \begin{array}{} b_1 & b_2\end{array} \right)