D.16.2.1 boundaryLatticePoints

Syntax:

Polymake::boundaryLatticePoints( polytope p )

Assume:

p bounded

Type:

intmat

Purpose:

intmat, whose rows are the lattice points on the relative boundary 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[3][3]=1,2,-1, 1,-1,2, 1,-1,-1; polytope p = polytopeViaPoints(M); Polymake::boundaryLatticePoints(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 ==> ==> 1,-1,-1, ==> 1,-1,0, ==> 1,-1,1, ==> 1,-1,2, ==> 1,0,-1, ==> 1,0,1, ==> 1,1,-1, ==> 1,1,0, ==> 1,2,-1 intmat N[2][3]=1,2,0, 1,0,2; polytope q = polytopeViaPoints(N); Polymake::boundaryLatticePoints(q); ==> 1,0,2, ==> 1,2,0