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revert


\begin{usage} revert~p \end{usage}


Signature


\begin{params} {\em p} & \% & A polynomial\\ \end{params}

\begin{retval} Returns $\sum_{i=0}^n a_i P_{n-i}$where $p = \sum_{i=0}^n a_i P_i$\ and $a_n \ne 0$. Returns 0 if $p = 0$. \end{retval}


See Also


Manuel Bronstein 2000-12-13