Home Online Manual
Top
Back: positiveOrthant
Forward: canonicalizeCone
FastBack:
FastForward:
Up: gfan_lib
Top: Singular Manual
Contents: Table of Contents
Index: Index
About: About this document

D.13.1.4 ambientDimension

Procedure from library gfan.lib (see gfan_lib).

Usage:
ambientDimension(c); c cone
ambientDimension(f); f fan
ambientDimension(p); p polytope

Return:
int, the dimension of the ambient space the input lives in

Example:
 
LIB "gfan.lib";
intmat M1[2][2]=
1,0,
0,1;
cone c1=coneViaPoints(M1);
ambientDimension(c1);
==> 2
intmat M2[2][3]=
1,0,0,
0,1,0;
cone c2=coneViaPoints(M2);
ambientDimension(c2);
==> 3
fan f = emptyFan(3);
ambientDimension(f);
==> 3