#11202: Add inverse method to symbolic expressions
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Reporter: ltw | Owner: tba
Type: enhancement | Status:
needs_review
Priority: minor | Milestone: sage-5.0
Component: symbolics | Resolution:
Keywords: InverseFunction, inverse function | Work issues:
Report Upstream: N/A | Reviewers:
Authors: | Merged in:
Dependencies: | Stopgaps:
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Comment (by kcrisman):
Interesting. I hope someone looks at this more carefully, because it
would be great to have this more easily accessible. Two comments:
* The documentation that would come up in this is in the functional.py
file. Since some people might think this is pretty fully featured, but it
probably isn't, that documentation should be bigger, and point to the full
doc in the expression file.
* I'd like to see, from whomever tests it, a pretty sizable number of
test cases that indicate we won't get "weird" output. Namely, what
happens when `solve` is baffled? Multivariate things? Things that have
inverses (like functions defined by integrals or something) but which
won't have them shown here?
In the past we've had a lot of complaints from adding "early stage"
things. I'm still in favor of doing so, as that's the only way this
project improves, but we want to make sure that we make it really clear to
even the most obtuse reader what the real status and abilities of
something like this is.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/11202#comment:6>
Sage <http://www.sagemath.org>
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