\documentclass[a4paper,12pt]{article}
\usepackage{epic, eepic}

\usepackage{amsmath, amssymb, hymcbk, xspace}
\usepackage{euscript,  array}
\usepackage[T1]{fontenc}
%\usepackage{tipa1}
%\usepackage{calc, wasysym, textcomp, ulsy}

\begin{document}
\pagestyle{empty}


\setlength{\unitlength}{1mm}
\begin{picture}(100,40)


% représentations de la translation de vecteur u.  

\allinethickness{.2mm}  
\put(20,10){\vector(1,2){10}}\put(23,20){\makebox(0,0)[b]{\vect{u}}}  
\put(50,15){\vector(1,2){10}}\put(52,15){\makebox(0,0)[t]{$M$}}\put(50,15){\circle*{.5}}  
\dashline{2}(20,10)(50,15)\dashline{2}(30,30)(60,35)\put(63,35){\makebox(0,0)[t]{$M'$}}  
\put(80,20){\makebox(0,0)[b]{$M'= t_{\vect{u}}\parent{M}$}}

\end{picture}
  

\end{document}

%%% Local Variables: 
%%% mode: latex
%%% TeX-master: t
%%% End: 
