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4.22.3.33 span

Syntax:
span( cone c )
Type:
bigintmat
Purpose:
generating vectors of the orthogonal complement of the span of the cone
Example:
 
LIB"gfanlib.so";
intmat M[3][5]=
1,0,0,0,0,
0,1,0,0,0,
0,0,1,0,0;
cone c=coneViaPoints(M);
bigintmat I=span(c);
print(I);
==> 0,0,0,-1, 0,
==> 0,0,0, 0,-1