General ⇒ Vertical space in table cells

[drumex]

Hi. I ran into this problem today. I had the table below, and the fractions collided with the borders and there wasn't enough padding around them in general.



So I browsed around and I though I had found a solution to this (adding the [1ex] bit), but it doesn't work as I hoped it would.

Here's what I used to produce the table.

Code: Select all

Code, edit and compile here:

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\begin{tabular}{c|c|cccccc|cl}
Basic & z & $x_1$ & $x_2$ & $x_3$ & $x_4$ & $x_5$ & $x_6$ & Solution & \\[1ex]
\cline{1-9}
$x_4$ & 0 & $-\frac{4}{7}$ & $-\frac{1}{7}$ & 0 & 1 & $-\frac{3}{7}$ & 0 & $-\frac{170}{7}$ & $r_1:=r_1-3r_2$\\[1ex]
$x_3$ & 0 & $\frac{4}{7}$ & $\frac{5}{7}$ & 1 & 0 & $\frac{1}{7}$ & 0 & $\frac{40}{7}$ & \\[1ex]
$x_6$ & 0 & $\frac{9}{7}$ & $\frac{20}{7}$ & 0 & 0 & $-\frac{3}{7}$ & 1 & $\frac{100}{7}$ & $r_3:=r_3-3r_2$\\[1ex]
\cline{1-9}
$z$ & 1 & $-1$ & $-2$ & 0 & 0 & $-1$ & 0 & 40 &\\
\end{tabular}
 
 
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Run LaTeX here

And this is what it comes up with.



As you can see, it's not exactly what I wanted. How can I fix this?

[balf]

Try the booktabs package, which has commands/parameters for that. Just one problem : you cannot use vertical lines. Take a look at the doc: the author explains why vertical lines should be prohibited for professional quality documents.

B.A.

[Stefan Kottwitz]

Hi drumex,

try redefining \arraystretch, for example:

Code: Select all

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\renewcommand*\arraystretch{1.5}
 
 
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Stefan

[localghost]

The array package offers the option to declare the length \extrarowheight for additional line spacing. Details can be found in the documentation.


Best regards
Thorsten¹

[drumex]

Thank you all for your suggestions. I used Stefan's method as it looked very simple and it did the job.