Betti1(Triplet) -- Betti numbers of first pure complex

Synopsis

• Function: Betti1

• Usage:

  Betti1 T

• Inputs:
  • T, an instance of the type Triplet, a degree triplet
• Outputs:
  • a list, the Betti numbers

Description

i1 : T = triplet({1,2,3}, {0,2}, {0,2,3})

o1 = {{1, 2, 3}, {0, 2}, {0, 2, 3}}

o1 : Triplet

i2 : Betti1(T)

o2 = {3, 6, 2}

o2 : List

See also

• Betti3 -- Betti numbers of the three pure complexes
• BettiDiagram1 -- Betti diagram of first pure complex