Problem:
Find the eigenvalues of the following matrix (round your answer to three decimal places):
$\left(
\begin{array}{ccc}
 -\frac{23}{3} & 2 & -\frac{28}{3} \\
 -\frac{28}{3} & 2 & \frac{17}{3} \\
 -9 & -\frac{26}{3} & -\frac{23}{3} \\
\end{array}
\right)$.
Answer:
$\{-17.376,2.021\, -8.834 i,2.021\, +8.834 i\}$
{'source': 'AMPS', 'file': 'amps/mathematica/linear_algebra/eigenvalues/35506.txt'}