% $Date: 2003/09/15 16:37:45 $ $Author: nthiery $ $Revision: 1.1.1.1 $

\begin{Mhelppage}{Perm2Rd}%
  {V. Prosper}%
  \begin{MInfo}
    \eng{calculates a canonical reduced decomposition of a
      permutation}
  \end{MInfo}
  

\begin{MCalls}
\Mcall{perm}
\end{MCalls}

\begin{MParameters}
  \param{perm}
  \eng{any list denoting a permutation} 
\end{MParameters}

\begin{MIntro}
  \eng{
The  {\Mthis}  function  calculates a canonical reduced decomposition  of
\Mex{perm}. It is obtained by reading the Rothe diagram.
}
\end{MIntro}

\begin{MExample}{ex1}
\begin{Mexin}
muEC::SG::Perm2Rd( [4,2,6,1,3,5] );
\end{Mexin}
\begin{Mexout}
                     [3, 2, 1, 2, 5, 4, 3]
\end{Mexout}
\end{MExample}

\MRelatedFunctions{Perm2Rothe,Rd2Perm}
\end{Mhelppage}
