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4.23.3.10 dual
Syntax:
dualCone( cone c )
Type:
- cone
Purpose:
- the dual of the cone
Example:
| intmat M1[2][2]=
1,0,
0,1;
cone c1=coneViaPoints(M1);
cone d1=dualCone(c1);
d1;
==> AMBIENT_DIM
==> 2
==> INEQUALITIES
==> 0,1,1,0
==> LINEAR_SPAN
==>
==>
print(rays(d1));
==> 1, 0
==> 0, 1
intmat M2[2][2]=
1,1,
0,1;
cone c2=coneViaPoints(M2);
cone d2=dualCone(c2);
d2;
==> AMBIENT_DIM
==> 2
==> INEQUALITIES
==> 0,1,1,1
==> LINEAR_SPAN
==>
==>
print(rays(d2));
==> 1, 0
==> -1, 1
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