#12492: Polyhedron().radius() is nonsensical
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Reporter: kini | Owner: mhampton
Type: defect | Status: new
Priority: major | Milestone: sage-5.0
Component: geometry | Keywords:
Work_issues: | Upstream: N/A
Reviewer: | Author: Keshav Kini
Merged: | Dependencies:
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See [https://groups.google.com/d/topic/sage-support/rj6ZjjPPDSk/discussion
this sage-support thread].
{{{
sage: sq=polytopes.n_cube(2)
sage: sq.vertices()
[[1, 1], [-1, 1], [1, -1], [-1, -1]]
sage: sq.radius()
2*sqrt(2)
sage: Polyhedron([[p0+1,p1] for p0,p1 in sq.vertices()]).radius()
2*sqrt(3)
sage: Polyhedron([[p0+10,p1] for p0,p1 in sq.vertices()]).radius()
2*sqrt(102)
}}}
The radius of the unit square is of course `sqrt(2)`. I have no idea what
the current code is trying to do, so I'm rewriting it.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/12492>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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