#11539: Sage incorrectly interprets factorials in equations.
--------------------------------------------+-------------------------------
Reporter: mhansen | Owner: burcin
Type: defect | Status: needs_work
Priority: critical | Milestone: sage-5.10
Component: symbolics | Resolution:
Keywords: | Work issues:
Report Upstream: N/A | Reviewers: Karl-Dieter
Crisman
Authors: Eviatar Bach, Nils Bruin | Merged in:
Dependencies: | Stopgaps:
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Changes (by {'newvalue': u'Eviatar Bach, Nils Bruin', 'oldvalue': ''}):
* status: needs_review => needs_work
* reviewer: => Karl-Dieter Crisman
* author: => Eviatar Bach, Nils Bruin
Comment:
I like this, but I still get
{{{
sage: sage: maxima(factorial(x) == 0).sage()
x != 0
}}}
because of course that is not using the library interface, and really both
of them need to work, as I say in comment:9.
> Actually, looks like we'd need something in maxima_abstract.py or
maxima.py as well to fix the very first example.
You might as well also add your first example, Eviatar:
{{{
sage: var('y')
sage: (factorial(x)==y).solve(x)
[factorial(x) == y]
}}}
But nice work on the whole just getting this in.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/11539#comment:11>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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