\begin{table}[htbp]
\centering
\caption{DADOS-M8-Laplace2D.}
\begin{tabular}{ccccc}
\toprule
$N$ & $l_1$ & $l_{\infty}$ & $p_{E}^{*}$ - $l_1$ & $p_{E}^{*}$ - $l_{\infty}$
\\ \midrule

 513&4.2614491776E-07&1.0881713836E-06&&\\
1025&3.4706903660E-13&1.0197885989E-12&2.0227690034E+01&2.0025204250E+01\\
2049&1.3070535645E-19&4.0718453598E-19&2.1340472966E+01&2.1256084006E+01\\
\bottomrule
\end{tabular}
%\label{tab:addlabel}
\end{table}
