|
D.13.2.22 generatorsOfSpan
Procedure from library gfan.lib (see gfan_lib).
- Usage:
- generatorsOfSpan(c); c cone
- Return:
- bigintmat, generators of the span of c
Example:
| LIB "gfan.lib";
intmat M[3][5]=
1,0,0,0,0,
0,1,0,0,0,
0,0,1,0,0;
cone c=coneViaPoints(M);
bigintmat S=generatorsOfSpan(c);
print(S);
==> -1, 0, 0,0,0,
==> 0,-1, 0,0,0,
==> 0, 0,-1,0,0
|
|