series(RingElement,ZZ) -- constructing a formal series

• Function: series

• Usage:

  series(s,n)

• Inputs:
  • s, a ring element, an element of a polynomial ring
  • n, an integer,
• Outputs:
  • an instance of the type FormalSeries,

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 : t = series(x^3+x^2+x+y,2)

                   2
o3 = FormalSeries{x  + x + y, 2}

o3 : FormalSeries