-- -*- M2-comint -*- {* hash: -209802385 *} i1 : P = intersection(matrix{{1,1,1},{0,1,0},{-1,-1,-1},{-1,-1,-1},{0,-1,0},{1,-1,1}},matrix{{2},{1},{2},{2},{1},{2}}) o1 = {ambient dimension => 3 } dimension of lineality space => 1 dimension of polyhedron => 3 number of facets => 5 number of rays => 0 number of vertices => 5 o1 : Polyhedron i2 : isCompact P o2 = false i3 :