FormalSeries ^ ZZ -- powers of formal series

Synopsis

• Operator: ^

• Usage:

  s^n

• Inputs:
  • s, an instance of the type FormalSeries,
  • n, an integer,
• Outputs:
  • an instance of the type FormalSeries, the n-th power of the formal series s

Description

i1 : R=ZZ[x,y]

o1 = R

o1 : PolynomialRing

i2 : s = series(x^2+x+y,2)

                   2
o2 = FormalSeries{x  + x + y, 2}

o2 : FormalSeries

i3 : s^4

o3 = FormalSeries{0, 2}

o3 : FormalSeries

Caveat