Problem:
Compute the (pseudo)inverse of
$\left(
\begin{array}{cc}
 -\frac{32}{7} & -\frac{13}{7} \\
 -\frac{4}{7} & -\frac{22}{7} \\
\end{array}
\right)$.
Answer:
$\left(
\begin{array}{cc}
 -\frac{77}{326} & \frac{91}{652} \\
 \frac{7}{163} & -\frac{56}{163} \\
\end{array}
\right)$
{'source': 'AMPS', 'file': 'amps/mathematica/linear_algebra/pseudoinverse/7758.txt'}