pycddlib is a Python wrapper for Komei Fukuda's cddlib.

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  • License: GNU General Public License (GPL) (GPL)
  • Author: Matthias Troffaes
  • Tags convex, polyhedron, linear programming, double description method
  • Requires: Python >=3.8
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cddlib is an implementation of the Double Description Method of Motzkin et al. for generating all vertices (i.e. extreme points) and extreme rays of a general convex polyhedron given by a system of linear inequalities.

The program also supports the reverse operation (i.e. convex hull computation). This means that one can move back and forth between an inequality representation and a generator (i.e. vertex and ray) representation of a polyhedron with cdd. Also, it can solve a linear programming problem, i.e. a problem of maximizing and minimizing a linear function over a polyhedron.

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