Arrows between two tables

Question

I'd like to connect two cells from different tables using arrows. How can this be achieved?

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Are there any restrictions in terms of the packages you're allowed (or want to) use? For example, this is easy-peasy using tikz. — Werner, Jun 22 '12 at 21:54
no restrictions, i haven't used tikz, is it possible to animate when drawing with tikz?, i am using beamer. — waterbear, Jun 22 '12 at 22:05

score 13 · Accepted Answer · edited Jun 10 '17 at 22:17

Here are a couple of different ways to do this with TikZ:

\documentclass{article}
\usepackage{tikz}
\usetikzlibrary{shapes.multipart,matrix,positioning}
\begin{document}
\begin{tikzpicture}
\node[rectangle split, rectangle split parts=3,draw,inner sep=1ex] (A) at (0,1)
{minus\nodepart{two}times\nodepart{three}transpose};

\node[rectangle split, rectangle split parts=5,draw,inner sep=1ex] (B) at (3,1)
{mmul\nodepart{two}mmuli\nodepart{three}sub\nodepart{four}subi\nodepart{five}transpose};
\draw[->] (A.text east) -- (B.three west);
\draw[->] (A.text east) -- (B.four west);
\draw[->] (A.two east) -- (B.text west);
\draw[->] (A.two east) -- (B.two west);
\draw[->] (A.three east) -- (B.five west);
\node (C) [below=of A]{Matrix Class};
\node[below= .5cm of B,text width=2cm,align=center]{Double Matrix\\ Class};
\end{tikzpicture}

\bigskip
\begin{tikzpicture}
\matrix (A) [matrix of nodes,nodes={draw, minimum size=.65cm, text width=2cm,align=center}] at (0,1)
{
minus\\
times\\
transpose\\
};
\matrix (B) [matrix of nodes,nodes={draw, minimum size=.65cm, text width=2cm,align=center}] at (4,1)
{
mmul\\
mmuli\\
sub\\
subi\\
transpose\\
};

\draw[->] (A-1-1.east) -- (B-3-1.west);
\draw[->] (A-1-1.east) -- (B-4-1.west);
\draw[->] (A-2-1.east) -- (B-1-1.west);
\draw[->] (A-2-1.east) -- (B-2-1.west);
\draw[->] (A-3-1.east) -- (B-5-1.west);

\node (C) [below=of A]{Matrix Class};
\node[below= .25cm of B,text width=2cm,align=center]{Double Matrix\\ Class};
\end{tikzpicture}

\end{document}

output of code

thanks a lot it's exactly what i want, can you refer me to any good tutorials for learning this stuff? — waterbear, Jun 22 '12 at 22:55
@user895657 The TikZ manual (written by the same person who developed Beamer) has lots of good tutorials. There are also plenty of great examples of all sorts of TikZ solutions ranging from simple to extraordinary here on the site. — Alan Munn, Jun 22 '12 at 23:29
@AlanMunn How can I put the arrow on the "north" or top of the table and connect it to the top of the next table? — kolonel, Jan 30 '15 at 19:01
@kolonel I'm not quite sure what you want. Do you want an arrow between the top of the 'minus' in the first table and the 'minus' in the second table? — Alan Munn, Jan 30 '15 at 21:54

score 2 · Answer 2 · answered Sep 05 '23 at 08:51

Here is a solution with {NiceTabular} of nicematrix and TikZ to draw the arrows.

\documentclass{article}
\usepackage{nicematrix,tikz}
\usetikzlibrary{arrows.meta}
\begin{document}
\sffamily
\renewcommand{\arraystretch}{1.5}
\begin{NiceTabular}{cw{c}{8mm}c}[cell-space-limits=4pt]
            && \Block[hvlines]{5-1}{} mmul \
            && mmuli \
  \Block[hvlines]{3-1}{}
  minus     && sub \
  times     && subi \
  transpose && transpose \
  \Block{}{Matrix\ class} 
            && \Block{}{DoubleMatrix\ class}
\CodeAfter
  \begin{tikzpicture} [->, > = LaTeX]
    \draw (4.5-|2) -- (1.5-|3) ; 
    \draw (3.5-|2) -- (3.5-|3) ; 
    \draw (3.5-|2) -- (4.5-|3) ; 
    \draw (5.5-|2) -- (5.5-|3) ; 
  \end{tikzpicture}
\end{NiceTabular}
\end{document}

Arrows between two tables

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