[SciPy-User] Simple math question

Neal Becker ndbecker2@gmail....
Wed Feb 13 07:45:22 CST 2013


Neal Becker wrote:

> 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
Sorry, that should be 10^-8 < p < 1, so 1-p is between 0 and 1-10^-8



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