\begin{table}[htbp]
\centering
\caption{DADOS-INI10-Laplace2DNU-NU8.}
\begin{tabular}{ccccc}
\toprule
$N$ & $l_1$ & $l_{\infty}$ & $p_{E}^{*}$ - $l_1$ & $p_{E}^{*}$ - $l_{\infty}$
\\ \midrule

   5&2.1761016229E-02&2.1452054100E-01&&\\
   9&1.0339803114E+00&4.0800771576E+01&-5.5703189732E+00&-7.5713368279E+00\\
  17&5.1446234154E-03&3.0090062089E-01&7.6509275232E+00&7.0831655412E+00\\
  33&1.2511695213E-04&9.0937204968E-04&5.3617162972E+00&8.3702007059E+00\\
  65&3.0851561634E-05&2.2586086490E-04&2.0198618517E+00&2.0094363469E+00\\
 129&7.7059334582E-06&5.6236290266E-05&2.0013018838E+00&2.0058609829E+00\\
 257&1.9263839766E-06&1.4028718956E-05&2.0000744311E+00&2.0031181533E+00\\
 513&4.8154313945E-07&3.5033524265E-06&2.0001583431E+00&2.0015752429E+00\\
\bottomrule
\end{tabular}
%\label{tab:addlabel}
\end{table}
