incdec

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incdec

$\begin{usage} incdec(p, i, j) \end{usage}$

Signature

incdec: (%, MachineInteger, MachineInteger) $\to$ %

$\begin{params} {\em p} & \% & A power product\\ {\em i,j} & \htmlref{\texttt{MachineInteger}}{MachineInteger} & Indices of variables\\\end{params}$

$\begin{retval} Returns $p X_i X_j^{-1}$. \end{retval}$

$\begin{remarks} The exponent of $X_j$\ in $p$\ must be greater than $0$. \end{remarks}$

Manuel Bronstein 2000-12-13