Graphics, Figures & Tables ⇒ Table not showing upper bars

[ljguillermo23]

In some situations tables dont show upper bars because there is no space. I usually do tables like this cause im not comfortable doing them in any other way but im open to suggestions. How would you fix this isue?

Code: Select all

Code, edit and compile here:

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\begin{table}[h!]
\caption{Medidas para la obtención del diámetro del disco de Airy}
\centering
\begin{tabular}{c c c c}        % centered columns (4 columns)
\hline\hline
% inserts double horizontal lines
$x'_1 \pm \varepsilon(x'_1)(mm)$ & $x'_2 \pm \varepsilon(x'_2)(mm)$ & $ H\pm\varepsilon(H)(mm)$ & $ \bar H\pm\varepsilon(\bar H)(mm)$\\
\hline                        % inserts single horizontal line
   $0 \pm 0.01$ & $1.21\pm 0.01$ &$1.21\pm 0.01$ & $1.19\pm 0.02$\\      % inserting body of the table
   $0 \pm 0.01$ & $1.15\pm 0.01$ & $1.15\pm 0.01$\\
   $0 \pm 0.01$ & $1.20\pm 0.01$ & $1.20\pm 0.01$\\
\hline                                   %inserts single line
\end{tabular}
\end{table}
 
 
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Run LaTeX here

[kaiserkarl13]

I'm not sure what you mean here; this works for me once I change \varepsilo to \varepsilon.

[Stefan Kottwitz]

Hi,

welcome to the forum!

I corrected the \varepsilon in your code snipped so it can be compiled without error. Click on "Run LaTeX now" here in the forum below your code, you will see that the lines are there.

Can you post a small (compilable) example code that has this issue?

Stefan

[Stefan Kottwitz]

I think now I understand you mean the bars above characters, not the bars of the table.

There are possibilities such as \arraystretch and \extrarowheight, though they may have effect on all rows. Here's a quick hack: you could add an empty line and negative space to make it small, like this for the code line 5:

Code: Select all

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\hline\hline\\[-2.2ex]
 
 
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Stefan