LinearOrdinaryOperatorToRecurrence

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LinearOrdinaryOperatorToRecurrence

$\begin{usage} import from LinearOrdinaryOperatorToRecurrence(R, Rx, Rxy, Rxe); \end{usage}$

$\begin{params} {\em R} & \htmlref{\texttt{CommutativeRing}}{CommutativeRing} &... ...rOrdinaryRecurrenceCategory} Rx & Recurrence operators over Rx\\\end{params}$

$\begin{descr} LinearOrdinaryOperatorToRecurrence(R, Rx, Rxy, Rxe) provides conversions from linear operators to recurrences. \end{descr}$

Exports

drop: Rxy $\to$ Integer degree drop

recurrence: Rxy $\to$ (Rxe, Integer) recurrence for some basis

SYS Rx $\to$ (Array DenseMatrix Rx, Integer)

where
SYS == LinearOrdinaryFirstOrderSystem

Subsections

drop
recurrence

Manuel Bronstein 2000-12-13

`drop`:	Rxy $\to$ `Integer`	degree drop
`recurrence`:	Rxy $\to$ (Rxe, `Integer`)	recurrence for some basis
	SYS Rx $\to$ (`Array` `DenseMatrix` Rx, `Integer`)