degree(RationalMap) -- degree of a rational map

Synopsis

• Function: degree

• Usage:

  degree phi

• Inputs:
  • phi, a rational map
• Outputs:
  • an integer, the degree of phi. So this value is 1 if and only if the map is birational onto its image.

Description

This is a shortcut for degreeMap(phi,Certify=>true,Verbose=>false), see degreeMap(RationalMap).