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From "Phil Steitz (JIRA)" <>
Subject [jira] Commented: (MATH-267) Need a digamma function
Date Sun, 24 May 2009 02:46:46 GMT


Phil Steitz commented on MATH-267:

Thanks!  Have a look at the o.a.c.m.special package,  There is a Gamma class there that could
use this,

> Need a digamma function
> -----------------------
>                 Key: MATH-267
>                 URL:
>             Project: Commons Math
>          Issue Type: Bug
>            Reporter: Ted Dunning
>         Attachments: digamma.tgz
> A mahout summer of code student needed a digamma function with Apache permissions so
I wrote one.  It includes test cases, correct copyright and seems to work well.  I don't know
where in commons math this would go so I figured I would post this and ask for advice.

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