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

Synopsis

Description

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

Ways to use this method: