symmetricPower

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symmetricPower

$\begin{usage} symmetricPower(L, n) \end{usage}$

Signature

symmetricPower: (Rd, Integer) $\to$ Rd

$\begin{params} {\em L} & Rd & A differential operator of order $2$\\ {\em n} & \htmlref{\texttt{Integer}}{Integer} & A positive integer\\\end{params}$

$\begin{retval} Returns a differential operator $\mbox{ ${L}^{\raise2pt\vbox{\hb... ...ere $e_1 + e_2 = n$\ and $y_1,y_2$\ is a basis of $\mbox{Ker}(L)$. \end{retval}$

$\begin{remarks} Uses the iteration described in:\\ M.~Bronstein, T.~Mulders \&... ... operators}, Proceedings of ISSAC'97, ACM Press (1997), 156--163. \end{remarks}$

Manuel Bronstein 2000-12-13