Problem:
Subtract the second matrix from the first:
$\left(
\begin{array}{c}
 6 \\
 -1 \\
 4 \\
\end{array}
\right)$
$\left(
\begin{array}{c}
 7 \\
 -1 \\
 4 \\
\end{array}
\right)$
Answer:
$\left(
\begin{array}{c}
 -1 \\
 0 \\
 0 \\
\end{array}
\right)$
{'source': 'AMPS', 'file': 'amps/mathematica/linear_algebra/subtract/24399.txt'}