\begin{table}[htbp]
\centering
%\caption{DADOS-FONTE1-UN.}
\caption{Resultados: CRE com interpolação, Poisson, $T=\dfrac{-1}{5}e^{3x} + 3x + 2$, $m=4$, malha uniforme.}
\begin{tabular}{ccccc}
\toprule
$N$ & $l_1$ & $l_{\infty}$ & $p_{E}^{*}$ - $l_1$ & $p_{E}^{*}$ - $l_{\infty}$
\\ \midrule
  11&&&&\\
  21&&&&\\
  41&&&&\\
  81&&&&\\
 161&1.8332588615E-17&1.4212408457E-16&&\\
 321&2.2250714435E-21&3.4187484285E-20&1.3008271233E+01&1.2021395171E+01\\
 641&9.5183366844E-25&5.8494203626E-24&1.1190854552E+01&1.2512886974E+01\\
1281&8.3136753221E-28&1.2662288346E-27&1.0161007365E+01&1.2173539801E+01\\
2561&1.4621795231E-30&3.7027929111E-30&9.1512221436E+00&8.4177085737E+00\\
5121&1.0745903367E-29&1.8498171930E-29&-2.8775944116E+00&-2.3206969342E+00\\
10241&6.0675331462E-30&1.5185572426E-29&8.2460477999E-01&2.8468141193E-01\\
20481&1.0988098907E-28&1.8803200714E-28&-4.1786879068E+00&-3.6302050634E+00\\
40961&1.0514556077E-28&2.4210133478E-28&6.3553860741E-02&-3.6463277242E-01\\
81921&2.0231632951E-28&4.1334462541E-28&-9.4422482755E-01&-7.7173409464E-01\\
163841&1.4990453278E-28&3.6933173358E-28&4.3256876067E-01&1.6242790146E-01\\
\bottomrule
\end{tabular}
%\label{tab:addlabel}
\end{table}
