Ring _ List -- make a monomial from a list of exponents

Synopsis

Usage:
R_w
Operator: _
Inputs:
- R, a ring
- w, a list, of integers
Outputs:
- a ring element, the monomial of the ring R obtained by using the integers in the list w as exponents of the variables.

i1 : R = ZZ[a..d]

o1 = R

o1 : PolynomialRing

i2 : R_{3,1,5}

      3   5
o2 = a b*c

o2 : R

i3 : R_{1,1,1,1}

o3 = a*b*c*d

o3 : R

i4 : S = R[x,y,z]

o4 = S

o4 : PolynomialRing

i5 : S_{1,1,1}

o5 = x*y*z

o5 : S

i6 : S_{1,1,1,4}

      4
o6 = a x*y*z

o6 : S