How can I draw the picture below? Please help me.

enter image description here

  • 5
    Welcome to TeX.SX! That sounds like a DO-IT-for me question. Please add some working code. – Bobyandbob Jun 17 '18 at 14:37
  • The title mentions two figures, but only one is shown. Le titre mentionne deux figures, mais une seule est montrée. – egreg Jun 17 '18 at 15:03
  • @egreg Here is why. (But I also was confused about the fact that the "two" was "lost in translation". ;-) – marmot Jun 17 '18 at 15:18
for tree={
draw,rounded corners,inner sep=8pt,
s sep=9mm,
l sep=7mm}
 [112,label=above:{\'e}tat max
     [000,name=000,label=below:{\'e}tat min]
\draw[<->] (100) -- (000);
\draw[<->] (010) -- (000);

enter image description here


One could use pstricks:

\documentclass[border=12pt, svgnames]{standalone}%
\usepackage{pst-node, pst-arrow}
%\usepackage{auto-pst-pdf} % to compile with pdflatex --enable-write18 (MiKTeX) or pdflatex -shell-escape (TeX Line, MacTeX)
\newpsobject{frameaux}{psframebox}{linecolor=IndianRed, framesep=6pt, framearc=0.2}


\psset{linejoin =1}
\begin{psmatrix}[colsep=0.2cm, rowsep=0.5cm]
 & \myframe{a}{112} \\
 & \myframe{b}{111} \\
 & \myframe{c}{110} \\
\myframe{d}{100} & &\myframe{e}{010} \\
 & \myframe{f}{000}
 \psset{arrows=v-v, veearrowlength=1.5mm, veearrowlinewidth=0.8pt, linecolor=LightSlateGrey}
 \nput[labelsep =4pt]{90}{a:tC}{état max}\nput[labelsep =3pt]{-90}{f:bC}{état min}


enter image description here

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