[Numpy-discussion] Idea: fractional polynomial class

[josef.pktd at gmail.com]

2009/4/24 Stéfan van der Walt <stefan at sun.ac.za>:
> 2009/4/24 Pauli Virtanen <pav at iki.fi>:
>> polyint fixed in r6883, there doesn't seem anything else to fix:
>>
>>>>> import numpy as np
>>>>> from fractions import Fraction
>>>>> a = np.poly1d([Fraction(4,19), Fraction(3,19), Fraction(2,19), 0])
>
> Very cool.  I think we should mention thi example in the docs as well?
>

>>> from fractions import Fraction
Traceback (most recent call last):
  File "<pyshell#40>", line 1, in <module>
    from fractions import Fraction
ImportError: No module named fractions

where does fractions come from?

Josef