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\begin{table}[H!] 
\centering 
\begin{tabular}{|c|c|c|c|c|c|c|} 
\hline 
  & rank steps & min-iters & max-iters & mean-iters & max-cos & max rank \\ 
\hline 
r=3 & 2 & 3322 & 3500 & 3411 & 9.978585e-01 & 16 \\ 
\hline 
\end{tabular} 
\caption{Using DR algorithm; with [m n k mn toler iterlimit]= [4              4              4             16          1e-14           3500]; max/min/mean iter and number rank steps for finding max-rank of P} 
\label{table:DRmaxitermaxrankP} 
\end{table} 
\end{document}