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Meta-ticket: Set up polyhedra with both Vrep and Hrep #29199

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kliem opened this issue Feb 14, 2020 · 11 comments
Open

Meta-ticket: Set up polyhedra with both Vrep and Hrep #29199

kliem opened this issue Feb 14, 2020 · 11 comments

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@kliem
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kliem commented Feb 14, 2020

With #28880 at hand, it makes sense to set up polyhedra from both Vrepresentation and Hrepresentation, if the backend supports it.

This is faster an any case, if the backend supports precomputed data (currently only field, but polymake and normaliz potentially can do that as well). Otherwise it might be faster, as it chooses the shorter representation by default. E.g.

  • setting up a hypercube is then done by inequalities instead of vertices,
  • translating a hypercube should be done by inequalities not by vertices.

This ticket collects all those instances, where we will set up the polyhedron from both Vrep and Hrep:

CC: @jplab @LaisRast

Component: geometry

Issue created by migration from https://trac.sagemath.org/ticket/29199

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@mkoeppe mkoeppe changed the title Set up polyhedra with both Vrep and Hrep Meta-ticket: Set up polyhedra with both Vrep and Hrep Apr 6, 2022
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