#6214: Polyhedra compute incorrect dimension when defined through inequalities
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Reporter: mhampton | Owner: mhampton
Type: defect | Status: new
Priority: major | Milestone:
Component: geometry | Keywords:
Author: | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
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Changes (by mhampton):
* upstream: => N/A
Comment:
Unfortunately this is still incorrect even after #7109.
{{{
sage: pdata=[[0, 1, 0, 0, 0, 0, 0], [0, 0, 1, 0, 0, 0, 0], [0, 0, 0, 1, 0,
0,0],[0, 0, 0, 0, 1, 0, 0], [0, 0, 0, 0, 0, 1, 0], [0, 0, 0, 0, 0, 0,
1],[0,0, 1, -1, -1, 1, 0], [0, 0, -1, 1, -1, 1, 0], [-31, -1, -1, -1, -1,
-1, -1],[31, 1, 1, 1, 1, 1, 1]]
sage: p = Polyhedron(ieqs = DATA)
sage: p.dim()
6
}}}
But its really dimension 5. If a second polyhedron is compute from the
vertices of the one above, it will have the correct dimension.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/6214#comment:3>
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