Given a polynomial ring
R with variables
x_1,..,x_n, this routine returns a Weyl algebra with variables
x_1,..,x_n and
dx_1,..,dx_n.
i1 : R = QQ[x,y,z]
o1 = R
o1 : PolynomialRing
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i2 : W = makeWeylAlgebra R
o2 = W
o2 : PolynomialRing
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Abbreviations :