#12922: Implicit derivative
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Reporter: mmarco | Owner: burcin
Type: enhancement | Status: needs_work
Priority: major | Milestone: sage-5.10
Component: calculus | Resolution:
Keywords: implicit derivative | Work issues:
Report Upstream: N/A | Reviewers:
Authors: Miguel Marco | Merged in:
Dependencies: | Stopgaps:
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Changes (by burcin):
* status: needs_review => needs_work
Comment:
Messing with the symbol registry this way is really not a good idea. That
is just supposed to be internal data.
What if there is an exception in that code and the registry is not
restored?
What exactly is the problem with using temporary variables? Looking
briefly at the patch, it looks like we also need temporary functions.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/12922#comment:9>
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