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I am quite new to latex and I would like to know how to draw the following network diagram from a Markov Chain. Thank you. enter image description here

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  • Welcome to TeX.SE! We are happy to help! Please provide the source code that you have tried. In the case you have no idea, please refer to this to get you started. Then, update your question in case you are stuck. Jul 18, 2019 at 18:18

1 Answer 1

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Just for a starting point.

\documentclass[margin=3mm]{standalone}
\usepackage{tikz}
\usetikzlibrary{shapes,positioning}
\begin{document}

\tikzset{ell/.style={ellipse,draw,minimum height=0.65cm,minimum width=1cm,inner sep=0.25cm}}

\begin{tikzpicture}[>=stealth]
\node[ell] (e1)at (0,0) {\color{blue}$SOC1$};
\node[ell] (e2)at (5,2) {\color{blue}$SOC2$};
\node[ell] (e4)at (5,5) {\color{blue}$SOC4$};
\node[ell] (e3)at (-5,3) {\color{blue}$SOC3$};
\node[ell] (e5)at (-1,7) {\color{blue}$SOC5$};
\draw [->] (e4) to [out=-20,in=20]node[right]{\color{red}$p^{\phi} (0)$} (e2);
\draw [->] (e2) to [out=-20,in=-40,looseness=5]node[right]{\color{red}$p^{\phi} (1)$} (e2);
\draw [->] (e2) to [out=-90,in=-30]node[right=2mm]{\color{red}$p^{\phi} (0)$} (e1);
\draw [->] (e1) to [out=0,in=240]node[right=2mm]{\color{red}$p^{\phi} (1)$} (e2);
\draw [->] (e2) to [out=190,in=-30]node[below]{\color{red}$p^{\phi} (2)$} (e3);
\end{tikzpicture}
\end{document}

enter image description here

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  • 1
    you recognize true art when you see it. thanks a lot !
    – AlexC75
    Jul 18, 2019 at 21:26
  • What do you mean? Sorry, English is not my mother language.
    – user31034
    Jul 18, 2019 at 21:41
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    I mean this is very good :) thank you !
    – AlexC75
    Jul 18, 2019 at 21:44

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