i2 : eq=matrix {{1, 1, 1, -1, -1, -1, 0, 0, 0}, {1, 1, 1, 0, 0, 0, -1, -1, -1}, {0, 1, 1, -1, 0, 0, -1, 0, 0}, {1, 0, 1, 0, -1, 0, 0, -1, 0}, {1, 1, 0, 0, 0, -1, 0, 0, -1}, {0, 1, 1, 0, -1, 0, 0, 0, -1}, {1, 1, 0, 0, -1, 0, -1, 0, 0}};
7 9
o2 : Matrix ZZ <--- ZZ
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i3 : rc=normaliz(eq,5)
o3 = RationalCone{gen => | 0 2 1 2 1 0 1 0 2 | }
| 1 2 0 0 1 2 2 0 1 |
| 1 1 1 1 1 1 1 1 1 |
| 1 0 2 2 1 0 0 2 1 |
| 2 0 1 0 1 2 1 2 0 |
inv => HashTable{height 1 elements => 5 }
hilbert basis elements => 5
homogeneous => true
homogeneous weights => (0, 0, 0, 0, 1, 0, 0, 0, 0)
index => 2
multiplicity => 4
number extreme rays => 4
number support hyperplanes => 4
rank => 3
o3 : RationalCone
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