General ⇒ Table horizonal line but not \hline

[Eenzc]

Hi I have probably quite a simple question.

I want a horzontal line that spans the last three columns in my table. (The data will be added to the five columns below this header)

Code: Select all

Code, edit and compile here:

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\begin{table} [h]
\begin{center}
\begin{tabular}{|C|r@{}l|r@{}l|r@{}l|r@{}l|}
\hline
Electrode & \multicolumn{2}{C|}{Radius} & \multicolumn{6}{c|}{DOPC $1^{st}$ capacitance peak current } \\
                    & & & \multicolumn{2}{C|}{\SI{40}{V.s^{-1}}} & \multicolumn{2}{C|}{\SI{100}{V.s^{-1}}} & \multicolumn{2}{C|}{\SI{200}{V.s^{-1}}} \\
\hline
\end{tabular}
\caption{.}
\label{Table:E1}
\end{center}
\end{table}
 
 
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Run LaTeX here

The reason for all the "r@{}l" are so I can evenly divide the columns for numbers and units directly above each other.

Also the "C" column has been defined as:

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\newcolumntype{C}{>{\centering\arraybackslash}p{2cm}}
 
 
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Thanks.

[Stefan Kottwitz]

Hi,

use \cline.

Stefan

[Eenzc]

Thanks very much again Stefan,

A new issue has occured



The ^{-1} is a bit too high, how can I increase the table space so that it is not touching the \cline ?

Thanks again.

[Stefan Kottwitz]

You could change the length \extrarowheight, for example:

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\setlength{\extrarowheight}{0.6ex}
 
 
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Stefan

[Ted]

use \cline

The booktabs package is a nice alternative too.

• http://ctan.org/pkg/booktabs

Its package documentation gives information about \toprule, \midrule, \bottomrule, and \cmidrule, which is similar to \cline but also allows you to shorten the lines at their edges to put some small separation between midrules.

Historically, there have been conventions for making tables for publications that were put in place due to technological constraints, but now people still cling to them because they've grown up being used to those types of tables. booktabs makes it easier to make such tables in LaTeX. In particular, many people have (nearly religious) issues with vertical rules in tables, and so you need to provide your column separation in some other way. booktabs lets you make nice looking tables without vertical rues (or with vertical rules if you really wish).

[Eenzc]

You could change the length \extrarowheight, for example:

Code: Select all

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\setlength{\extrarowheight}{0.6ex}
 
 
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Stefan

I don't understand where to apply this, putting it below \cline{4-9} does nothing.

[Stefan Kottwitz]

You could put it before the tabular environment. Or if you just want to change the height of a single cell/line you could insert a \rule with a certain heigth but 0 width, invisible, into the cell.

Stefan

[piticu]

use \cline

The booktabs package is a nice alternative too.

Strongly suggest the booktab package too.

I don't understand where to apply this, putting it below \cline{4-9} does nothing.

The preamble of your document will be a nice spot for that command.