#13711: charpoly error on matrices with pi
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Reporter: eviatarbach | Owner: jason, was
Type: defect | Status: needs_work
Priority: major | Milestone: sage-6.6
Component: linear algebra | Resolution:
Keywords: | Merged in:
Authors: Nils Bruin | Reviewers: Eviatar Bach
Report Upstream: N/A | Work issues:
Branch: | Commit:
Dependencies: | Stopgaps:
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Changes (by vdelecroix):
* milestone: sage-6.4 => sage-6.6
Comment:
Just works fine on 6.6-rc2
{{{
sage: sage: matrix([[sqrt(2), -1], [pi, e^2]]).charpoly()
x^2 + (-sqrt(2) - e^2)*x + pi + sqrt(2)*e^2
}}}
Migt be because symbolic constants are now element of the symbolic ring:
{{{
sage: type(pi)
<type 'sage.symbolic.expression.Expression'>
sage: pi.pyobject()
pi
sage: type(_)
<class 'sage.symbolic.constants.Pi'>
}}}
Vincent
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Ticket URL: <http://trac.sagemath.org/ticket/13711#comment:12>
Sage <http://www.sagemath.org>
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