\psset{xunit=1cm, yunit=1cm}
%\psframebox{
\begin{pspicture}(-2,-2)(3.2,3.2)
%\psgrid[%griddots=20,
%gridlabels=0pt, subgriddiv=10](-1.6,-0.5)(1.6,2)
\psset{plotpoints=200}
\psaxes[linecolor=SlateGrey]{->}(0,0)(-1.9,-1.9)(3,3) %Mittelpunkt (linke Seite x,y 3/4 Quad) (rechte Seite x,y)


\psplot[linecolor=blue]{-1}{1}{x}
\psplot[linecolor=red]{1}{2.5}{x 1 sub 2 exp}


%\rput[c](-1,-0.25){$-e$}
%\rput[c](1,-0.25){$e$}
%\psline[linecolor=blue,linewidth=0.2pt,linestyle=dashed](-1,0)(-1,1.5)
%\psline[linecolor=blue,linewidth=0.2pt,linestyle=dashed](-1,1.5)(1,1.5)
%\psline[linecolor=blue,linewidth=0.2pt,linestyle=dashed](1,1.5)(1,0)
%\psline(0,0)(4,3)
%\psbrace[linecolor=orange,linewidth=0.2pt,ref=lC,nodesepA=5pt](1.1,0)(1.1,1.5){$H$}
%\psarc[linecolor=orange](0,1.5){2}{180}{360}
%\psbrace[linecolor=green,linewidth=0.2pt,ref=lC,nodesepA=5pt](0.05,0.5)(0.05,1.5){$h$}
%%\psplot[linecolor=yellow]{0.01}{1}{1 x div}
%\rput[c](1.5,-0.1){$x$}
%\rput[c](-0.2,1.8){$y$}

\end{pspicture}%}
%%http://sites.inka.de/picasso/latex.html


%ticks=none,labels=none]{->}(
