#11839: sage.symbolic.expression.Expression.collect has no documentation
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Reporter: mjo | Owner: mvngu
Type: defect | Status: needs_work
Priority: major | Milestone: sage-5.1
Component: documentation | Resolution:
Keywords: | Work issues:
Report Upstream: N/A | Reviewers: Karl-Dieter Crisman
Authors: Michael Orlitzky | Merged in:
Dependencies: | Stopgaps:
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Comment (by kcrisman):
> I left it kind of simple because I've seen expression equality fail on
some "easy" cases. A result of `bool(f == g) == False` just means "I
couldn't prove that `f == g`".
??? I'd like to see this. I think that the kind of examples that the
code I posted would generate shouldn't have that happen - we're not
talking complicated polynomials here.
> In that regard the test is only correct if it's going to generate very
simple (i.e. comparable) expressions. We could go higher than the default
of degree 2 probably, but I didn't feel like spending too much time
thinking about it, either.
Well, considering that the current tests don't actually generate
expressions that have anything to collect, I'd prefer at least something
with two variables.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/11839#comment:4>
Sage <http://www.sagemath.org>
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