Implement incidence matrix for combinatorial polyhedron

[kliem]

We implement the incidence matrix for CombinatorialPolyhedron. This is just exposure of the already present combinatorial data in a nice presentation for the user.

CC: @jplab @LaisRast

Component: geometry

Keywords: incidence matrix, combinatorial polyhedron

Author: Jonathan Kliem

Branch/Commit: 6ee9276

Reviewer: Laith Rastanawi

Issue created by migration from https://trac.sagemath.org/ticket/29112

[kliem]

comment:2

Forgot to set the branch.

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New commits:

6ee9276

implement incidence matrix for combinatorial polyhedron

[kliem]

Commit: 6ee9276

[kliem]

Branch: public/29122

[LaisRast]

Reviewer: Laith Rastanawi

[LaisRast]

comment:3

It looks good to me.
(pyflakes warnings are to be handled in #28880)

[vbraun]

Changed branch from public/29122 to 6ee9276