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\scalebox{1} % Change this value to rescale the drawing.
{
\begin{pspicture}(0,-2.1284375)(7.12,2.1084375)
\definecolor{color2457f}{rgb}{0.6,1.0,0.6}
\psbezier[linewidth=0.04](0.6,-1.0115625)(1.6,-1.0115625)(2.3,0.5013562)(2.8,1.242983)(3.3,1.9846097)(3.9,2.0884376)(4.4,1.272648)(4.9,0.45685855)(5.6,-1.0115625)(6.6,-1.0115625)
\psbezier[linewidth=0.04](0.6,-0.3115625)(1.6,-0.2115625)(2.0,0.0884375)(2.7,0.6884375)(3.4,1.2884375)(3.8,1.2884375)(4.4,0.7313738)(5.0,0.17431007)(5.6,-0.2115625)(6.6,-0.3115625)
\psline[linewidth=0.04cm](0.0,-1.5115625)(7.1,-1.5115625)
\psbezier[linewidth=0.04,fillstyle=gradient,gradlines=2000,gradbegin=white,gradend=color2457f,gradmidpoint=1.0](0.6,-1.0115625)(0.6,-1.6115625)(0.6,-1.5115625)(0.6,-1.5115625)(0.6,-1.5115625)(1.6,-1.5115625)(1.6,-1.5115625)(1.6,-1.5115625)(1.6,-0.5115625)(1.6,-0.5115625)(1.6,-0.5115625)(1.1,-1.0115625)(0.6,-1.0115625)
\usefont{T1}{ptm}{m}{n}
\rput(3.6314063,-1.9015625){$E(u(w))$}
\end{pspicture} 
}
\begin{persian}
\caption{}
\end{persian}
\end{figure}
\end{latin}

\end{document}