Thanks. Didnt know that 1 is always a generator :)
El miércoles, 29 de enero de 2014 10:22:54 UTC+1, Mateusz Paprocki escribió:
>
> Hi,
>
> On 29 January 2014 10:08, Roderick de Nijs <razo...@gmail.com<javascript:>>
> wrote:
> > I am having the following little anoying issue:
> > Imagine i have:
> >
> > from sympy import var
> > var('x y z t')
> > p=Poly(x*y + x*z + z*t,gens=[x,y])
> >
> > now i can use p.coef_monomial to extract coefficients for x, y or x*y
> but
> > how do I get the "constant" part z*t?
> >
> > Any straightforward way to do this?
>
> In [1]: p=Poly(x*y + x*z + z*t,gens=[x,y])
>
> In [2]: p.coeff_monomial(1)
> Out[2]: t⋅z
>
> or
>
> In [3]: p.coeffs()[-1]
> Out[3]: t⋅z
>
> > Thanks!
> >
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> Mateusz
>
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