Zdroj TeX:

\small \left(\begin{matrix} -1 & 0 & -2 & 0 & 1 & 0 \\ 0 & -1 & 0 & -2 & 0 & 1 \\ \left(1,5\right) & 0 & \left(-1,5\right) & 0 & 1 & 0 \\ 0 & \left(1,5\right) & 0 & \left(-1,5\right) & 0 & 1 \\ -3 & 0 & 0 & 0 & 1 & 0 \\ 0 & -3 & 0 & 0 & 0 & 1 \end{matrix}\right) \times \left(\begin{matrix} a \\ b \\ c \\ d \\ p \\ q \end{matrix}\right)= \left(\begin{matrix} 4 \\ 2 \\ 2,75 \\ -0,5\\ 2 \\ 4 \end{matrix}\right)