Problem:
Multiply the scalar $-\frac{1}{32}$ and the matrix
$\left(
\begin{array}{cc}
 3 & -9 \\
\end{array}
\right)$.
Answer:
$\left(
\begin{array}{cc}
 -\frac{3}{32} & \frac{9}{32} \\
\end{array}
\right)$
{'source': 'AMPS', 'file': 'amps/mathematica/linear_algebra/multiply_by_scalar/1485.txt'}