On Wednesday, May 25, 2016 at 7:55:46 AM UTC+3, Kalevi Suominen wrote:
>
>
>
> On Wednesday, May 25, 2016 at 3:31:23 AM UTC+3, Phillip M. Feldman wrote:
>>
>> I tried the following:
>>
>> In [1]: from sympy import *
>> In [2]: R, x= ring('x', GF(2))
>> In [3]: p= x**5 + 1
>> In [4]: q= x+1
>> In [5]: div(p, q)
>>
>> The result is an exception: SympifyError: x**5 + 1 mod 2
>>
>> Any advice will be appreciated.
>>
>
> div(p, q) is intended for expressions. p and q are polynomials, not
> expressions. Division of polynomials is defined as a method:
> In [4]: p.div(q)
> Out[4]: (x**4 + x**3 + x**2 + x + 1 mod 2, 0 mod 2)
>
PS: You can also write p/q, if the remainder 0 is not needed.
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