[ChangeSet] Beta function...

[Ben Abbott]

On Mar 17, 2008, at 3:40 PM, Ben Abbott wrote:

> On Monday, March 17, 2008, at 02:56PM, "Jorge Londoño" <jmlon at yahoo.com 
> > wrote:
>> I just happen to jump into a problem that require me to compute the  
>> Beta function with negative arguments.
>> If you look at the definition of the beta function, for example here:
>

I replaced gammaln(x) with log(gamma(x)), modified the help text to  
reflect that inputs must be real, and added a few extra tests.

Ben


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