#11648: Contour plot cannot deal with non-real numbers
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Reporter: eviatarbach | Owner: jason, was
Type: defect | Status: new
Priority: major | Milestone: sage-4.7.2
Component: graphics | Keywords:
Work_issues: | Upstream: N/A
Reviewer: | Author:
Merged: | Dependencies:
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When trying to contour_plot a function that can return non-real numbers,
such as
{{{
sage: contour_plot(log(x) + log(y), (-1000, 1000), (-1000, 1000))
}}}
the following error is returned:
{{{
TypeError: can't convert complex to float
}}}
Sage should print a warning and skip over the those points. This is the
way R behaves.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/11648>
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