Zdroj TeX:

\small \left(\begin{array}{ccc}u'_1\\u'_2\\u'_3\end{array}\right)= \left(\begin{array}{ccc} 1&2&1 \\ 1&3&2 \\ 2&4&3\end{array}\right) \cdot \left(\begin{array}{ccc} 5 \\ -1 \\ 9 \end{array}\right)