D.16.2.3 facetVertexLatticeDistances

Syntax:

Polymake::facetVertexLatticeDistances( polytope p )

Assume:

p bounded

Type:

intmat

Purpose:

intmat, which encodes the lattice distances between vertices (columns) and facets (rows) of p.

Example:

LIB"polymake.lib"; ==> Welcome to polymake ==> Copyright (c) 1997-2012 ==> Ewgenij Gawrilow, Michael Joswig (TU Darmstadt) ==> http://www.polymake.org intmat M[4][3]=1,2,0, 1,0,1, 1,2,1, 1,0,0; polytope p = polytopeViaPoints(M); intmat D = Polymake::facetVertexLatticeDistances(p); ==> polymake: used package cdd ==> cddlib ==> Implementation of the double description method of Motzkin et al. ==> Copyright by Komei Fukuda. ==> http://www.ifor.math.ethz.ch/~fukuda/cdd_home/cdd.html ==> D; ==> 0,1,0,1, ==> 0,0,2,2, ==> 1,0,1,0, ==> 2,2,0,0