#12292: charpoly is recomputed when called with a different variable
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Reporter: zimmerma | Owner: jason, was
Type: enhancement | Status: needs_review
Priority: minor | Milestone: sage-5.0
Component: linear algebra | Keywords: sd35.5
Work_issues: | Upstream: N/A
Reviewer: | Author: Michael Orlitzky
Merged: | Dependencies:
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Changes (by newvalueoldvalue):
* status: new => needs_review
* author: => Michael Orlitzky
Comment:
Here's a patch that fixes the issue.
The timing doctests are of dubious value, and I'm not against removing
them entirely since they aren't deterministic. They may help with review,
though -- each one exercises the correct charpoly method.
Once we're sure the code is correct, they can go, or get fixed (I don't
have any good ideas).
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/12292#comment:2>
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