#17065: use Maxima's trigrat() in symbolic simplify
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Reporter: rws | Owner:
Type: defect | Status: needs_work
Priority: major | Milestone: sage-6.4
Component: symbolics | Resolution:
Keywords: maxima, | Merged in:
simplification, trigonometric | Reviewers:
Authors: Ralf Stephan | Work issues:
Report Upstream: N/A | Commit:
Branch: | 3db6f899c380523dc6d6e940650eede5984a37fa
u/rws/use_maxima_s_trigrat___in_symbolic_simplify| Stopgaps:
Dependencies: |
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Changes (by nbruin):
* status: needs_review => needs_work
Comment:
Quite some doctest failures on the buildbot. Some of them are probably not
due this particular change, but others most probably are. A few are simply
*better* answers now (that's just a matter of changing the expected
output), but there are also some that are much *worse*. So the change is
not uniformly an improvement.
ratsimp claims "canonical form", so that's definitely attractive. However,
do we know if its rewrites always apply across the whole domain? We'd have
to document if it deviates.
--
Ticket URL: <http://trac.sagemath.org/ticket/17065#comment:3>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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