%        Tento dokument je naps n v k¢dov n¡ bratr– Kamenick˜ch.
%                    a pat©¡ k souboru rep.tex.
\unitlength=1mm
\begin{picture}(80,100)
\thicklines
%\Thicklines
\drawline(0,70)(20,70) % pro tento p©¡kaz je nezbytn˜ bal¡k epic
\qbezier(20,70)(30,60)(40,60)
%\qbezier[N](krajn¡bod1_x,krajn¡bod1_y)(R_x,R_y)(krajn¡bod2_x,krajn¡bod2_y)
\drawline(40,60)(50,60)(50,50)(60,50)(60,30)(80,30)
\thinlines
\dashline{3}(20,5)(20,70) % pro tento p©¡kaz je nezbytn˜ bal¡k epic
\dashline{3}(40,15)(40,60)
\dashline{3}(50,5)(50,60)
\dashline{3}(60,5)(60,30)
%\dashline{d‚lka_‡ rky}(x_1,y_1)(x_2,y_2)...(x_n,y_n)

\put(43,15){\vector(0,1){70}} % osa y
%\vector(x,y){d‚lka nebo pr–mˆt_d‚lky_ve_smˆru_osy_x}. x a y ~ <-4,4>.
\put(40,75){$\mathbf{\rho}$}

\put(0,15){\vector(1,0){90}}  % osa x
\put(35,11){$\mathbf{x_n}$}
\put(45,11){$\mathbf{x_k}$}
\put(80,11){$\mathbf{x}$}

\put(0,5){\vector(1,0){20}}
\put(10,0){$\mathbf{4}$}

\put(40,5){\vector(-1,0){20}}
\put(40,5){\vector(1,0){10}}
\put(35,0){$\mathbf{3}$}

\put(55,5){\vector(-1,0){5}}
\put(55,5){\vector(1,0){5}}
\put(55,0){$\mathbf{2}$}

\put(90,5){\vector(-1,0){30}}
\put(75,0){$\mathbf{1}$}

\small
\put(70,60){r zov  vlna}
\put(0,60){membr na}
\put(0,50){\parbox{20mm}{kontaktn¡\\ nespojitost}}
\put(0,37){\parbox{20mm}{konec\\ expanze}}
\put(0,25){\parbox{20mm}{za‡ tek\\ expanze}}

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\drawline(16,52)(50,40)(51,41)
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\drawline(70,60)(60,35)(59,36)
\end{picture}