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KustinMiller :: facets

facets -- The facets of a simplicial complex.

Synopsis

Usage:
facets(D)
Inputs:
- D, an object of class Complex
Outputs:
- D, a list

Description

Returns the facets of a complex represented as a List of lists of vars ring D.

i1 : K=QQ;

i2 : R=K[x_0..x_4];

i3 : I=ideal(x_0*x_1,x_1*x_2,x_2*x_3,x_3*x_4,x_4*x_0);

o3 : Ideal of R

i4 : D=idealToComplex I;

i5 : facets D

o5 = {x  x  , x  x  , x  x  , x  x  , x  x  }
       2  4    0  3    0  2    1  3    1  4

o5 : List

See also

Complex -- The class of all simplicial complexes.
Face -- The class of faces of simplicial complexes.
faces -- Returns the faces of a complex
idealToComplex -- Compute the Stanley-Reisner complex.
ring(Face) -- The underlying polynomial ring of a face.

Ways to use `facets` :

facets(Complex)