exteriorPowerSystem,symmetricPowerSystem

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exteriorPowerSystem,symmetricPowerSystem

$\begin{usage} exteriorPowerSystem(L, a)\\ symmetricPowerSystem(L, a) \end{usage}$

Signature

exteriorPowerSystem,symmetricPowerSystem: (Rd,R) $\to$ DenseMatrix R

$\begin{params} {\em L} & Rd & A differential operator of order $m$\\ {\em a} & R & The inverse of the leading coefficient of $L$\\\end{params}$

$\begin{retval} Return a matrix $M$\ such that the differential system $Y' = M Y... ... the ${n}^{{\rm th}}$\ exterior and symmetric power system of $L$. \end{retval}$

Manuel Bronstein 2000-12-13