coefficientRing(CoincidentRootLocus) -- get the coefficient ring

Synopsis

• Function: coefficientRing

• Usage:

  coefficientRing X

• Inputs:
  • X, a coincident root locus
• Outputs:
  • a ring, the coefficient ring of the ring of X

Description

i1 : X = coincidentRootLocus {3,2}

o1 = CRL(3,2)

o1 : Coincident root locus

i2 : coefficientRing X

o2 = QQ

o2 : Ring

i3 : X' = coincidentRootLocus({3,2},ZZ/3331)

o3 = CRL(3,2;ZZ/3331)

o3 : Coincident root locus

i4 : coefficientRing X'

      ZZ
o4 = ----
     3331

o4 : QuotientRing

See also

• ring(CoincidentRootLocus) -- get the ring of a coincident root locus