#15714: implement CFiniteSequence
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Reporter: rws | Owner: rws
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-6.3
Component: combinatorics | Resolution:
Keywords: recurrence, | Merged in:
sequence, ogf | Reviewers:
Authors: Ralf Stephan | Work issues:
Report Upstream: N/A | Commit:
Branch: | 38dd6d0148e92c45dceafcf75f9685b7adec2708
u/rws/ticket/15714 | Stopgaps:
Dependencies: |
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Description changed by rws:
Old description:
> The upcoming inclusion of ore_algebra will provide the means for a
> PFiniteSequence class. Nevertheless a lightweight implementation of
> CFiniteSequence has its place in Sage, and it is available now.
>
> The interface:
> *constructed from generating function or recurrence
> *guessed from sequence
> *provides gf, recurrence, sequence, so practically a conversion between
> all three
> *other services: textual description of recurrence, sequence iterator
>
> Possible extensions, not implemented: output of egf, power sum closed
> form
New description:
The upcoming inclusion of ore_algebra will provide the means for a
PFiniteSequence class. Nevertheless a lightweight implementation of
CFiniteSequence has its place in Sage, and it is available now.
The interface:
* constructed from generating function or recurrence
* guessed from sequence
* provides gf, recurrence, sequence, so practically a conversion between
all three
* other: textual description of recurrence, sequence iterator
Possible extensions, not implemented: output of egf, power sum closed form
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Ticket URL: <http://trac.sagemath.org/ticket/15714#comment:21>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
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