Zdroj TeX:

\small \left(\begin{array}{ccc} x'\\ y' \end{array} \right)=\left(\begin{array}{ccc} a&c \\ b&d \end{array}\right)\times \left(\begin{array}{ccc}x \\ y \end{array}\right) + \left(\begin{array}{ccc}p \\ q \end{array}\right)