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tikz graphs: draw an edge from a node without a goal node

December 4Hits:2

Is it possible to write an edge going from a node but out into nowhere, see image below (ignore the trace of goal node that is visible)

Something like \draw[->] (node) --++(0:2cm) node[above,midway]{0}; or \draw[->] (node) --++(2cm,0) node[above,midway]{0}; ?

For automata drawings, you can also use the tikz library automata.

It doesn't really bring anything new for your example, but if you try to extend it to a real automaton, it may prove easier to use that syntax.

\documentclass{article}

\usepackage{tikz}
\usetikzlibrary{automata}

\begin{document}

\begin{tikzpicture}
\node[state,initial by arrow, initial text={}] (s) {$b_{0}b_{1}$};
\path[->] (s) edge[loop above] node {1} ();
\path[->] (s) edge node[above] {0} +(1,0);
\end{tikzpicture}

\end{document}



Note that if you don't need the label above the right arrow, you can use a similar syntax to initial..., that is :

accepting by arrow, accepting text={}



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