Check whether a complex or co-complex is equidimensional.
i1 : R=QQ[x_0..x_5]; |
i2 : C=boundaryCyclicPolytope(3,R) o2 = 2: x x x x x x x x x x x x x x x x x x x x x x x x 0 1 2 0 2 3 0 3 4 0 1 5 1 2 5 2 3 5 0 4 5 3 4 5 o2 : complex of dim 2 embedded in dim 5 (printing facets) equidimensional, simplicial, F-vector {1, 6, 12, 8, 0, 0, 0}, Euler = 1 |
i3 : isEquidimensional(C) o3 = true |
i4 : R=QQ[x_0..x_2]; |
i5 : I=intersect(ideal(x_0),ideal(x_1,x_2)) o5 = ideal (x x , x x ) 0 2 0 1 o5 : Ideal of R |
i6 : C=idealToComplex I o6 = 0: x 0 1: x x 1 2 o6 : complex of dim 1 embedded in dim 2 (printing facets) non-equidimensional, simplicial, F-vector {1, 3, 1, 0}, Euler = 1 |
i7 : isEquidimensional(C) o7 = false |
The object isEquidimensional is a method function.