% $Date: 2003/09/15 16:37:46 $ $Author: nthiery $ $Revision: 1.1.1.1 $

\begin{Mhelppage}{Isp}%
  {V. Prosper}%
  \begin{MInfo}
    \eng{tests whether the argument is a product of generators of the
      p-basis}
  \end{MInfo}
  

\begin{MCalls}
\Mcall{expr}
\end{MCalls}

\begin{MParameters}
  \param{expr}
  \eng{any expression}
\end{MParameters}

\begin{MIntro}
  \eng{
The {\Mthis} function tests whether \Mex{expr} is a product of generators of
the p-basis that is a product of power sum symmetric functions.

The indexing vector must be a partition.
}
\end{MIntro}

\begin{MExample}{ex1}
\begin{Mexin}
muEC::TYP::Isp( p[3,2,2,1] );
\end{Mexin}
\begin{Mexout}
                             TRUE
\end{Mexout}
\begin{Mexin}
muEC::TYP::Isp( p[2,3,2,1] );
\end{Mexin}
\begin{Mexout}
                             FALSE
\end{Mexout}
\end{MExample}

\MRelatedFunctions{Ise,Ish,Ism,Iss,Sf}
\end{Mhelppage}
