%   (gH)   -_-  graphesSORY.tex  ;  TimeStamp (unix) : 20 Novembre 2009 vers 14:08
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\documentclass[12pt,a4paper]{article}

%%%%%%%%%%%%%%%%%%%%%%% pour bien gérer les accents sais tels quels
\usepackage[latin1]{inputenc}
%%%%%%%%%%%%%%%%%%%%%%% s'il y a besoin d'insérer des graphiques
\usepackage[dvips]{graphicx}
%%%%%%%%%%%%%%%%%%%%%%% si on écrit de smaths avec leqslant
\usepackage{amssymb}
%%%%%%%%%%%%%%%%%%%%%%% pour inclure des fichiers texte via \verbatiminput{ f }
%%%%%%%%%%%%%%%%%%%%%%% au lieu de \input f
\usepackage{verbatim}
\usepackage[french]{babel}
\usepackage{setspace}
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\usepackage{color}
\usepackage{bbold}
\usepackage{amssymb}
\usepackage{latexsym}
\usepackage{graphicx}
\usepackage{multicol}
\usepackage{pstricks}
\usepackage{eurosym}
\usepackage{geometry}
\usepackage{fancyhdr}
\usepackage{minitoc}
\usepackage{pstricks,pst-node,pst-text,pst-3d,pst-tree}
%%%%%%%%%%%%%%%%%%%%%%% j'aime bien avoir un point après le numéro de section
\renewcommand{\thesection}{\arabic{section}. }
\renewcommand{\thesubsection}{\arabic{section}.\arabic{subsection}}
\newrgbcolor{royalblue}{0.25 0.41 0.88}
%%%%%%%%%%%%%%%%%%%%%%% pour commenter facilement tout un block
\newcommand{\cmt}[1]{}
\parindent      2.0cm
\parskip        0.5cm
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\begin{document}
\setcounter{page}{9}

\begin{figure}
\begin{center}

\vspace{10mm}
\psset{arrows=->,mnode=circle}
\psset{arrowscale=3}
\begin{psmatrix}
& &[name=E4,fillstyle=solid,fillcolor=orange]$E_4$ \\[0.5cm]
[name=E1,fillstyle=solid,fillcolor=green]$E_1$
\\[0.5cm]
 & & & & [name=E3,fillstyle=solid,fillcolor=orange]$E_3$
\\[0.5cm]
[name=E2,fillstyle=solid,fillcolor=green]$E_2$
\nccurve[angleA=120,angleB=180,ncurv=8,linestyle=dashed]{E2}{E2}\Bput{{\royalblue $P_{22}$}}
\ncarc[linestyle=dashed]{E1}{E2}\Bput{\hspace{-2cm}{\royalblue $P_{12}$}}
%\ncarc[linestyle=dashed]{E2}{E1}\Bput{~ ~ {\royalblue $P_{21}$}}
\ncarc[linestyle=dashed]{E2}{E1}
\ncarc[arcangle=15,linestyle=dashed]{E2}{E3}\Aput{{\royalblue $P_{23}$}}
\ncarc[arcangle=15,linestyle=dashed]{E3}{E2}\Aput{{\royalblue $P_{32}$}}
\ncline[linestyle=dashed]{E4}{E2}
\\[0.5cm]
& [name=E5,fillstyle=solid,fillcolor=red]$E_5$ & & [name=E6,fillstyle=solid,fillcolor=red]$E_6$
\nccurve[angleA=120,angleB=180,ncurv=8]{E1}{E1}\Bput{$P_{11}$}
\ncarc[arcangle=15]{E1}{E3}\Aput{$P_{13}$}
\ncarc[arcangle=15]{E3}{E1}\Aput{$P_{31}$}
\ncline{E4}{E1}\Bput{$P_{41}=1$}
\ncline{E1}{E5}\Bput{$P_{15}$}
\ncline{E1}{E6}
\ncline{E3}{E5}\Aput{$P_{35}$}
\ncline{E3}{E4}\Aput{$P_{34}$}
\ncline{E3}{E6}\Aput{$P_{36}$}
\nccurve[angleA=60,angleB=120,ncurv=8]{E3}{E3}\Aput{$P_{33}$}
\nccurve[angleA=-60,angleB=-120,ncurv=8]{E5}{E5}\Aput{$P_{55} = 1$}
\nccurve[angleA=-60,angleB=-120,ncurv=8]{E6}{E6}\Aput{$P_{66}=1$}
\ncline[linestyle=dashed]{E2}{E5}
\ncline[linestyle=dashed]{E2}{E6}
\\[0.5cm]
\end{psmatrix}
\vspace{15mm}
~

\textsf{FIG. 1} ~ ~ Vrai graphe avec les états $E_1$ et $E_2$ différenciés.
\end{center}
\end{figure}
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\end{document}