TeX Quellcode:
\vec{\mathrm{AB}}=\vec{0\mathrm{B}}-\vec{\mathrm{0}A}=\left(\begin{array}{c} x_2 \\ y_2 \\ z_2 \end{array}\right)-\left(\begin{array}{c} x_1 \\ y_1 \\ z_1 \end{array}\right)=\left(\begin{array}{c} x_2-x_1 \\ y_2-y_1 \\ z_2-z_1 \end{array}\right)