Hi,
I'm working my way through Bronstein's Symbolic
Integration book and one thing I've noticed is
that it appears that in Sage you can work with
symbolics, or polynomials, but not both.
So, if I define:
x = polygen(QQ,'x')
a = 3*x^3+x^2+x+5
b = 5*x^2-3*x +1
I can do, a.quo_rem(b) and all is fine. But, I
can't do a.partial_fraction(c) (where c is an
appropriate polynomial since partial_fraction()
isn't defined for polynomials.
Correspondingly, if I instead do
var('x') or var('x',ns=1)
I can't use the polynomial operations. Is there
some way to convert between them?
Thanks,
Tim.
---
Tim Lahey
PhD Candidate, Systems Design Engineering
University of Waterloo
http://www.linkedin.com/in/timlahey
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