fPolynomial -- computes the f-polynomial of a poset

Synopsis

• Usage:

  f = fPolynomial P

  f = fPolynomial(P, VariableName => symbol)

• Inputs:
  • P, an instance of the type Poset,
• Optional inputs:
  • VariableName => a symbol, default value q
• Outputs:
  • f, a ring element, the f-polynomial of $P$

Description

i1 : n = 5;

i2 : factor fPolynomial chain n

            5
o2 = (q + 1)

o2 : Expression of class Product

See also

• chains -- computes all chains of a poset
• hPolynomial -- computes the h-polynomial of a poset