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4.23.4.18 linealityDimension

Syntax:
linealityDimension( cone c ) linealityDimension( fan c )
Type:
int
Purpose:
dimension of the lineality space of the cone
Example:
 
intmat M1[3][3]=
1,0,0,
0,1,0,
0,0,1;
cone c1=coneViaRays(M1);
linealityDimension(c1);
==> 0
intmat M2[4][3]=
1,0,0,
0,1,0,
0,0,1,
-1,0,0;
cone c2=coneViaRays(M2);
linealityDimension(c2);
==> 1

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            User manual for Singular version 3-1-4, Jan 2012, generated by texi2html.