Problem:
Multiply the scalar $-\frac{1}{2}$ and the matrix
$\left(
\begin{array}{cc}
 -10 & -2 \\
\end{array}
\right)$.
Answer:
$\left(
\begin{array}{cc}
 5 & 1 \\
\end{array}
\right)$
{'source': 'AMPS', 'file': 'amps/mathematica/linear_algebra/multiply_by_scalar/25875.txt'}