#10035: Create hold context
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Reporter: kcrisman | Owner: burcin
Type: enhancement | Status: new
Priority: minor | Milestone: sage-6.4
Component: symbolics | Resolution:
Keywords: | Merged in:
Authors: | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
Dependencies: | Stopgaps:
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Comment (by rws):
Replying to [comment:5 jpflori]:
> Replying to [comment:4 jason]:
> > That would be awesome!
> But with such a construction it is not obvious how to simplify 't'
without going through Maxima as suggested in
[http://trac.sagemath.org/search/opensearch?q=ticket%3A10034 #10034]
>
>
> {{{
> sage: with hold:
> ....: t = tan(pi/2)
> ....:
> sage: t tan(pi/12)
> sage: t.eval() #or t.unhold() or whatever
> -sqrt(3) + 2
> }}}
You are going through Maxima because the `simplify...` functions do this.
So improve these by replacing Maxima. It has nothing to do with the
question of a global hold context.
--
Ticket URL: <http://trac.sagemath.org/ticket/10035#comment:13>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
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