#15061: Pari can't handle all polynomial resultants
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Reporter: robharron | Owner:
Type: defect | Status:
Priority: major | needs_info
Component: algebra | Milestone: sage-6.2
Keywords: pari, resultant, sylvester | Resolution:
matrix | Merged in:
Authors: | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
Dependencies: | Stopgaps:
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Comment (by gagern):
Replying to [comment:4 pbruin]:
> It would be good to have another example that still fails after applying
#15601.
{{{
sage: R.<x> = AA[]
sage: (2*x^2 + 3*x + 5).discriminant()
TypeError: no conversion of this ring to a Singular ring defined
}}}
Does this help, even though it's singular here and not pari? `RIF` does
the same. I haven't worked out yet which resultants get computed by pari
and which by singular.
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Ticket URL: <http://trac.sagemath.org/ticket/15061#comment:7>
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