Problem:
Find the $\ell_2$ norm of the following vector:
$\left(
\begin{array}{c}
 -4 \\
 -\frac{7}{9} \\
 \frac{8}{3} \\
 \frac{83}{9} \\
\end{array}
\right)$.
Answer:
$\frac{\sqrt{8810}}{9}$
{'source': 'AMPS', 'file': 'amps/mathematica/linear_algebra/lp_norm/28500.txt'}