leadTerm(NCRingElement) -- Returns the lead term of an NCRingElement

Synopsis

• Function: leadTerm

• Usage:

  coeff = leadTerm f

• Inputs:
  • f, an instance of the type NCRingElement
• Outputs:
  • coeff, an instance of the type NCRingElement

Description

i1 : A = QQ{x,y,z,w}

o1 = A

o1 : NCPolynomialRing

i2 : f = x^2+y^2+2*z^3

       3  2  2
o2 = 2z +y +x

o2 : A

i3 : coeff = leadTerm f

       3
o3 = 2z

o3 : A