\begin{table}[htbp]
\centering
\caption{DADOS-INI3-Laplace2DNU.}
\begin{tabular}{ccccc}
\toprule
$N$ & $l_1$ & $l_{\infty}$ & $p_{E}^{*}$ - $l_1$ & $p_{E}^{*}$ - $l_{\infty}$
\\ \midrule

  17&5.4560912963E-04&3.3809441979E-03&&\\
  33&1.3531873647E-04&8.4679449233E-04&2.0115061739E+00&1.9973424139E+00\\
  65&3.3753091861E-05&2.1193859312E-04&2.0032700436E+00&1.9983655656E+00\\
 129&8.4333888011E-06&5.2999673631E-05&2.0008352894E+00&1.9995909395E+00\\
 257&2.1080227886E-06&1.3250771391E-05&2.0002220048E+00&1.9999071274E+00\\
 513&5.2696798362E-07&3.3126849659E-06&2.0001032457E+00&2.0000034326E+00\\
\bottomrule
\end{tabular}
%\label{tab:addlabel}
\end{table}
