[SciPy-User] Simple math question

Neal Becker ndbecker2@gmail....
Wed Feb 13 07:44:01 CST 2013


josef.pktd@gmail.com wrote:

> On Wed, Feb 13, 2013 at 8:34 AM, Neal Becker <ndbecker2@gmail.com> wrote:
>> Pierre Barbier de Reuille wrote:
>>
>>> Assuming 0 <= p <= 1, I don't see the problem there.
>>>
>>
>> I had just assumed there'd be numerical accuracy issues, but maybe not.
> 
> Any numerical problems that you might have with the power gets swamped
> because you can only get within floating point precision of 1.
> 
> If the results were zero, then there are special function to get
> better precision for tiny numbers.
> 
> AFAICS.
> 
> Josef

Here, 0 <= p < 10^-8



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