#17684: density_plot() is broken with functions involving symbolic expressions
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Reporter: tmonteil | Owner:
Type: defect | Status: new
Priority: major | Milestone: sage-6.5
Component: graphics | Keywords:
Merged in: | Authors:
Reviewers: | Report Upstream: N/A
Work issues: | Branch:
Commit: | Dependencies:
Stopgaps: |
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As reported on [http://ask.sagemath.org/question/25617/density_plot-defed-
python-function-typeerror/ this ask question], the following does not
work:
{{{
sage: f1(a, b) = 1 - b / a
sage: f2(a, b) = 1 - a / b
sage: def f12(a, b):
....: if a - b < 0:
....: return f1(a, b)
....: else:
....: return f2(a, b)
sage: density_plot(f,(1,2),(1,2))
KeyError: 'text/plain'
}}}
While the following works:
{{{
sage: f1(a, b) = 1 - b / a
sage: f2(a, b) = 1 - a / b
sage: def f12(a, b):
....: if a - b < 0:
....: return RDF(f1(a, b))
....: else:
....: return RDF(f2(a, b))
sage: density_plot(f12,(1,2),(1,2))
}}}
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Ticket URL: <http://trac.sagemath.org/ticket/17684>
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