#5014: matrix rank should call echelon_form over *fraction field*
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Reporter: was | Owner: was
Type: defect | Status: new
Priority: major | Milestone: sage-4.7
Component: linear algebra | Keywords:
Work_issues: | Upstream: N/A
Reviewer: | Author:
Merged: | Dependencies:
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Changes (by dsm):
* upstream: => N/A
Comment:
This seems to work now:
{{{
sage: version()
'Sage Version 4.6.2, Release Date: 2011-02-25'
sage: P.<x> = PolynomialRing(GF(17))
sage: m = Matrix(P,2,2)
sage: m.randomize()
sage: m
[ 15*x^2 + 16*x 9*x^2 + 12*x + 12]
[13*x^2 + 16*x + 16 4*x^2 + 5*x + 12]
sage: m.rank()
2
}}}
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/5014#comment:2>
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