#17454: priority symbolic functions implementations
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Reporter: rws | Owner:
Type: enhancement | Status: new
Priority: major | Milestone: sage-6.5
Component: symbolics | Resolution:
Keywords: | Merged in:
Authors: | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
Dependencies: | Stopgaps:
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Description changed by rws:
Old description:
> This is a metaticket listing '''existing''' functions for which symbolic
> implementations are urgently needed because
> * they exist in Sympy, Maxima, or Fricas symbolically, and might be
> returned as result
> * they belong to the holonomic repertoire
>
> special:
> * Airy functions (#12455)
> * Kummer confluent hypergeometric functions (#14896)
> * spherical Bessel and Hankel functions (#15024)
>
> combinatorial:
> * Bell numbers
> * Bernoulli numbers
> * Catalan numbers
> * Fibonacci(n), general Lucas(u,v)
> * subfactorial
>
> polynomial (metaticket #16670):
> * Legendre P,Q (#16813)
> * Laguerre (#17151)
> * GegenbauerC
> * HermiteH
> * JacobiP
>
> Also the Dirichlet Eta function which however is not holonomic.
New description:
This is a metaticket listing '''existing''' functions for which symbolic
implementations are urgently needed because
* they exist in Sympy, Maxima, or Fricas symbolically, and might be
returned as result
* they belong to the holonomic repertoire
special:
* Airy functions (#12455)
* Kummer confluent hypergeometric functions (#14896)
* spherical Bessel and Hankel functions (#15024)
combinatorial:
* Bell numbers
* Bernoulli numbers
* Catalan numbers
* Fibonacci(n), general Lucas(u,v)
* rising/falling/subfactorial
polynomial (metaticket #16670):
* Legendre P,Q (#16813)
* Laguerre (#17151)
* GegenbauerC
* HermiteH
* JacobiP
Also the Dirichlet Eta function which however is not holonomic.
--
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Ticket URL: <http://trac.sagemath.org/ticket/17454#comment:2>
Sage <http://www.sagemath.org>
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