I guess .as_expr() would do the job you intend to perform
>>> P1.as_expr()
b0*x**2 + b1*x + b2
On Thursday, May 28, 2015 at 4:20:40 AM UTC+5:30, Srinivasan Rajaraman
wrote:
>
> I am trying to create a polynomial expression through the following
> commands:
>
> from sympy import *
>
> x = symbols('x')
>
> P1 = sympy.poly(sympy.symbols('b0:3'), x)
>
> >>> P1
> Poly(b0*x**2 + b1*x + b2, x, domain='ZZ[b0,b1,b2]')
>
> How do I extract the expression from the polynomial object?
>
> In the previous version Sympy 0.6.7, there used to be an attribute for the
> 'Poly' class, 'as_basic().'
>
> However, this attribute does not exist for the Poly class anymore. Could
> somebody help me in extracting the polynomial expression from the Poly
> object?
>
>
> Srini
>
>
>
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