We should all remember that this is a forum for snarky comments about
Spyder. If you don't have any trivial complaints, ridiculous feature
requests, or other nonsensical comments about Spyder, then this is not
the place. If you need help with your Finite Math homework, please
post to the PyDev forum instead.
On 4/10/2011 11:36 AM, Alexandra Sekalska wrote:
Thank you for the helpful and rapid answer.I扉e already solved the
problems because of your explanations.Thanks again!
On Sun, Apr 10, 2011 at 7:06 PM, stefan <[email protected]
<mailto:[email protected]>> wrote:
This is not strictly a spyder question but rather general python but
here goes:
the gcd can be imported from module fractions
>>> import fractions
>>> fractions.gcd(120,70)
10
factorial is provided by the math module
>>> import math
>>> math.factorial(10)
3628800
Finding all divisors is a bit more involved (NP-hard problem) and
there appears to be no readily provided function in a standard
module
(I might be wrong). Consider the highest-ranked answer in
http://stackoverflow.com/questions/171765/what-is-the-best-way-to-get-all-the-divisors-of-a-number
and and the ensuing discussion. It should be straighforward to take
what has been posted and use their function as is.
Hope this helps, Stefan
You are getting the ImportError because module math does not provide
divisors:
>>> import math
>>> dir(math)
['__doc__', '__file__', '__name__', '__package__', 'acos', 'acosh',
'asin', 'asinh', 'atan', 'atan2', 'atanh', 'ceil', 'copysign', 'cos',
'cosh', 'degrees', 'e', 'exp', 'fabs', 'factorial', 'floor', 'fmod',
'frexp', 'fsum', 'hypot', 'isinf', 'isnan', 'ldexp', 'log', 'log10',
'log1p', 'modf', 'pi', 'pow', 'radians', 'sin', 'sinh', 'sqrt', 'tan',
'tanh', 'trunc']
On Apr 10, 7:09 am, Addicted <[email protected]
<mailto:[email protected]>> wrote:
> Hi there! I惴 new using Spyder and I惴 trying to calculate the
> greatest common divisor (gcd), the factorial and the divisor of
> numbers..I扉e tried on this way :
>
> from math import divisors
> n=(divisors(712504))
> print n
>
> but then ImportError: cannot import name divisors appears
> I searched on Internet but without a result.I need a help!
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