rank(DynkinDiagram) -- the rank of a Dynkin diagram

Synopsis

• Function: rank

• Usage:

  rank(D)

• Inputs:
  • D, an instance of the type DynkinDiagram,
• Outputs:
  • an integer, the number of vertices of the Dynkin diagram D

Description

i1 : R=rootSystemE(6)

o1 = RootSystem{...8...}

o1 : RootSystem

i2 : D=dynkinDiagram(R);

i3 : rank(D)

o3 = 6