\documentclass [12pt] {article}
\usepackage{epsfig,float,subfigure,amsmath}

\begin {document}
This sample document illustrates how to create a figure consisting 
of four separate plots in a 2 x 2 configuration.
\begin{figure}[H]
\subfigure[]{\epsfig{file=out1000.ps,width=6cm}}
\subfigure[]{\epsfig{file=out10000.ps,width=6cm}}
\subfigure[]{\epsfig{file=out10.ps,width=6cm}}
\subfigure[]{\epsfig{file=out100.ps,width=6cm}}
\caption{This is the caption for the figure 
         (a) Frame 1 (b) Frame 2 (c) Frame 3 (d) Frame 4}
\end{figure}
\end{document}
