How to make Four Fields Board more aligned

Question

\begin{tabular}{c|c|c|c} 
&$\text{A}$&$\overline{\text{A}}$&\\ 
\hline
$\text{B}$&9&6&15\\ 
\hline 
$\overline{\text{B}}$&3&12&15\\ 
\hline
&12&18&30 
\end{tabular}

But as you can see the B ist a little bit to near to the top.

Is there a way to make it more like this?

Please stop tagging all your questions as biblatex https://tex.stackexchange.com/questions/657763/how-to-make-an-equation-more-aligned#comment1638486_657763 This has nothing to do with biblatex — David Carlisle, Sep 20 '22 at 13:10

score 3 · Answer 1 · answered Sep 20 '22 at 12:37

3

\documentclass{article}
\usepackage{tabularray}
\usepackage{amsmath}
\begin{document}
\begin{tblr}{colspec={cccc},hlines,vlines,rows={abovesep+={2pt}}}
                      & $\text{A}$ & $\overline{\text{A}}$ &    \\
$\text{B}$            & 9          & 6                     & 15 \\
$\overline{\text{B}}$ & 3          & 12                    & 15 \\
                      & 12         & 18                    & 30
\end{tblr}
\end{document}

answered Sep 20 '22 at 12:37

Clara

6,012

Hello I tried to enter it in Discord but i get following Error: ``! LaTeX Error: Illegal character in array arg.
See the LaTeX manual or LaTeX Companion for explanation. Type H for immediate help. ...

l.61 ...ccc},hlines,vlines,rows={abovesep+={2pt}}}

You're in trouble here. Try typing to proceed. If that doesn't work, type X to quit.``
– user279680 Sep 20 '22 at 12:48
@user279680 I am on TeX Live 2022. You can try it on Overleaf with 2022. – Clara Sep 20 '22 at 13:01
I want it to work on discord, the code that i posted worked on it – user279680 Sep 20 '22 at 13:11
@user279680 Sorry, I don't know what is Discord? Can you give me a link describe it? – Clara Sep 20 '22 at 14:14

Mico · Answer 2 · 2022-09-20T13:49:18.090

(I added a second solution after the OP posted a follow-up request)

First solution: Increase the value of \arraystretch. This affects the height of all rows.

My main suggestion would be to execute \renewcommand\arraystretch{1.25}. (The default value of this parameter is 1.0.) Additionally, I'd like to suggest that you (a) employ an array environment instead of a tabular environment (saving you from having to type lots of $ characters) and (b) replace \overline with \bar. Finally, I'd usse \mathrminstead of\text`.
Second solution: insert typographic "struts" to increase the height and depth of selected rows.

Note the use of \TBstrut in the third array environment in the following screenshot.

\documentclass{article} % or some other suitable document class
\usepackage{array}
% Define typographic "struts", as suggested by Claudio Beccari 
% in a piece published in TeX and TUG News, Vol. 2, 1993.
\newcommand\Tstrut{\rule{0pt}{2.4ex}}       % "top" strut
\newcommand\Bstrut{\rule[-0.9ex]{0pt}{0pt}} % "bottom" strut
\newcommand{\TBstrut}{\Tstrut\Bstrut} % top&bottom struts
\begin{document}
% default setup
[
\begin{array}[t]{c|c|c|c} 
& \mathrm{A} & \bar{\mathrm{A}} & \
\hline
\mathrm{B}      &9& 6&15 \

\hline
\bar{\mathrm{B}}&3&12&15 \

\hline
& 12 & 18 & 30
\end{array}
\qquad
% 1st solution: increase value of \arraystretch
\renewcommand\arraystretch{1.25} % <-- new
\begin{array}[t]{c|c|c|c} 
& \mathrm{A} & \bar{\mathrm{A}} & \
\hline
\mathrm{B}      &9& 6&15  \ 
\hline
\bar{\mathrm{B}}&3&12&15  \ 
\hline
& 12 & 18 & 30
\end{array}
\qquad
% 2nd solution: insert typographic struts in rows 2 and 3
\renewcommand\arraystretch{1} % <-- reset to default
\begin{array}[t]{c|c|c|c} 
& \mathrm{A} & \bar{\mathrm{A}} & \
\hline
\mathrm{B}      &9& 6&15 \TBstrut \ % <-- note \TBstrut
\hline
\bar{\mathrm{B}}&3&12&15 \TBstrut \ % <-- note \TBstrut
\hline
& 12 & 18 & 30
\end{array}
]
\end{document}

i like it more with arraystretch{1.25} but thank you already very much — user279680, Sep 20 '22 at 13:22
@user279680 - Please see my updated answer, which provides an alternative answer that relies on inserting typographical struts in just rows 2 and 3 of the array environment. (I've also set the value of \arraystretch to 1.25 in the first solution.) — Mico, Sep 20 '22 at 13:50

score 2 · Answer 3 · answered Sep 20 '22 at 14:14

Here is an option with nicematrix and booktabs (which provides the \midrule command).

\documentclass{article}
\usepackage{amsmath, nicematrix, booktabs}
\begin{document}
\begin{NiceTabular}{c|c|c|c} 
&$\text{A}$&$\overline{\text{A}}$&\ \midrule
$\text{B}$&9&6&15\ \midrule 
$\overline{\text{B}}$&3&12&15\ \midrule 
&12&18&30 
\end{NiceTabular}
\end{document}

How to make Four Fields Board more aligned

3 Answers3