Problem:
Multiply the scalar $\frac{1}{8}$ and the matrix
$\left(
\begin{array}{c}
 0 \\
 -4 \\
\end{array}
\right)$.
Answer:
$\left(
\begin{array}{c}
 0 \\
 -\frac{1}{2} \\
\end{array}
\right)$
{'source': 'AMPS', 'file': 'amps/mathematica/linear_algebra/multiply_by_scalar/42359.txt'}