GAP 4.8.9 installation with standard packages -- copy to your CoCalc project to get it
1 module generators 1 Hilbert basis elements of recession monoid 1 vertices of polyhedron 1 extreme rays of recession cone 2 support hyperplanes of polyhedron (homogenized) embedding dimension = 3 affine dimension of the polyhedron = 2 (maximal) rank of recession monoid = 1 internal index = 1 size of partial triangulation = 1 resulting sum of |det|s = 5 dehomogenization: 0 0 1 module rank = 1 *********************************************************************** 1 module generators: 0 0 1 1 Hilbert basis elements of recession monoid: 0 1 0 1 vertices of polyhedron: 0 -2 3 1 extreme rays of recession cone: 0 1 0 2 support hyperplanes of polyhedron (homogenized): 0 0 1 3 3 2