hyperplanes(Arrangement) -- the defining linear forms of an arrangement

Synopsis

• Function: hyperplanes

• Usage:

  hyperplanes A

  toList A

• Inputs:
  • A, a hyperplane arrangement,
• Outputs:
  • a list, the list of linear forms defining $A$.

Description

i1 : A = typeA 3

o1 = {x  - x , x  - x , x  - x , x  - x , x  - x , x  - x }
       1    2   1    3   1    4   2    3   2    4   3    4

o1 : Hyperplane Arrangement 

i2 : hyperplanes A

o2 = {x  - x , x  - x , x  - x , x  - x , x  - x , x  - x }
       1    2   1    3   1    4   2    3   2    4   3    4

o2 : List

See also

• matrix(Arrangement) -- make a matrix from the defining equations
• coefficients(Arrangement) -- make a matrix from the coefficients of the defining equations