\documentclass{article}
\usepackage[usenames,dvipsnames]{pstricks}\usepackage{tikz}
\usepackage{epsfig}
\usepackage{pst-grad} % For gradients
\usepackage{pst-plot} % For axes
\usepackage{xepersian}
\begin{document}


\begin{pspicture}(0,0)(5,5)
\psline[linewidth=1.5pt, arrowsize=0.1 2,arrowlength=1.4]{->}(0,0)(5,0)
\psline[linewidth=1.5pt, arrowsize=0.1 2,arrowlength=1.4]{->}(0,0)(2,5)
\rput(.20,2){\psline[linewidth=1.5pt, arrowsize=0.1 2,arrowlength=1.4,linestyle=dashed](1,1)(4,1)(3,-2)
\psline[linewidth=1.5pt, arrowsize=0.1 2,arrowlength=1.4,linestyle=dashed](1,1)(3.5,3)(4,1)
\psline[linewidth=1.5pt, arrowsize=0.1 2,arrowlength=1.4,linestyle=dashed](3,-2)(3.5,3)
}
\psline[linewidth=1.5pt, arrowsize=0.1 2,arrowlength=1.4]{->}(0,0)(0,1.5)
\end{pspicture}





\end{document}

\end{document}