Problem:
Find the $\ell_2$ norm of the following vector:
$\left(
\begin{array}{c}
 -\frac{7}{4} \\
 1 \\
 \frac{5}{2} \\
 \frac{39}{4} \\
\end{array}
\right)$.
Answer:
$\frac{\sqrt{\frac{843}{2}}}{2}$
{'source': 'AMPS', 'file': 'amps/mathematica/linear_algebra/lp_norm/47175.txt'}