TeX Quellcode:

\begin{pmatrix}-2\cr-2\cr6\end{pmatrix} + \begin{pmatrix}-5\cr3\cr-1\end{pmatrix} = 1\cdot\begin{pmatrix}-2\cr-2\cr6\end{pmatrix} + 1\cdot\begin{pmatrix}-5\cr3\cr-1\end{pmatrix} = \begin{pmatrix}-7\cr1\cr5\end{pmatrix}