Home Online Manual
Top
Back: codimension
Forward: containsAsFace
FastBack: coneViaInequalities
FastForward: fan
Up: cone related functions
Top: Singular Manual
Contents: Table of Contents
Index: Index
About: About this document

4.22.3.4 coneLink

Syntax:
coneLink( cone c )
Type:
cone
Purpose:
local version of the given cone around the given point of the cone
Example:
 
LIB"gfanlib.so";
intmat M[3][3]=
1,0,0,
0,1,0,
0,0,1;
cone c=coneViaPoints(M);
intvec v=1,0,0;
cone cc=coneLink(c,v);
cc;
==> AMBIENT_DIM
==> 3
==> FACETS
==> 0,0,1,
==> 0,1,0
==> LINEAR_SPAN
==> 
==> 
print(rays(cc));
==> 0,1,0,
==> 0,0,1
intvec w=1,1,1;
cone cd=coneLink(c,w);
cd;
==> AMBIENT_DIM
==> 3
==> FACETS
==> 
==> LINEAR_SPAN
==> 
==> 
print(rays(cd));
==>