Fixed output of coeff(expression, x^0) or equivalent to coeff(expression, 1) #1098
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Since the bool sym == nothing is used repeatedly throughout the function, and
coeff(expression, nothing)
returns the coefficient of a constant (such as1
inx^2 +2x + 1
). A user may want to usecoeff(expression, x^0)
for readability's sake to get that constant.