Problem:
Subtract the second matrix from the first:
$\left(
\begin{array}{c}
 0 \\
\end{array}
\right)$
$\left(
\begin{array}{c}
 \frac{7}{2} \\
\end{array}
\right)$
Answer:
$\left(
\begin{array}{c}
 -\frac{7}{2} \\
\end{array}
\right)$
{'source': 'AMPS', 'file': 'amps/mathematica/linear_algebra/subtract/20411.txt'}