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SumTools[Hypergeometric][ExtendedZeilberger] - construct a minimal Z-pair
Calling Sequence
ExtendedZeilberger(V, n, k, En)
Parameters
V
-
definite sum of hypergeometric term
n
name
k
En
name denoting the shift operator with respect to n
Description
Let be a hypergeometric term of m and k. Let where b and d are integers. The ExtendedZeilberger(V, n, k, En) command, an extension to Zeilberger's algorithm, constructs the minimal Z-pair for provided that it exists.
It can be shown that a Z-pair for exists if and only if a Z-pair for the hypergeometric term exists.
Examples
Try the Maple command sum:
See Also
sum, SumTools[Hypergeometric][DefiniteSum], SumTools[Hypergeometric][IsZApplicable], SumTools[Hypergeometric][Zeilberger], SumTools[Hypergeometric][ZeilbergerRecurrence]
References
Le, H.Q. "Computing the Minimal Telescoper for Sums of Hypergeometric Terms." SIGSAM Bulletin: Communications on Computer Algebra. Vol. 35 No. 3. (2001): 2-10.
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