From: shd@jolt.modeemi.cs.tut.fi (Heikki Orsila)
To: Brian Gough <bjg@network-theory.co.uk>
Cc: Jason Detwiler <jasondet@gmail.com>, gsl-discuss@sources.redhat.com
Subject: Re: request for Poisson CDF inverse
Date: Sun, 08 Jul 2007 23:39:00 -0000 [thread overview]
Message-ID: <20070708233930.GL24297@jolt.modeemi.cs.tut.fi> (raw)
In-Reply-To: <87zm26a7dj.wl%bjg@network-theory.co.uk>
On Sun, Jul 08, 2007 at 10:54:48PM +0100, Brian Gough wrote:
> At Thu, 5 Jul 2007 17:16:38 -0700,
> Jason Detwiler wrote:
> > I am looking to calculate the inverse of the CDF for the Poisson
> > distribution. I noticed that many of the CDFs coded in gsl have
> > inverse functions also coded, but this is not the case for the Poisson
> > distribution (unfortunately for me). I would like to "request" these
> > functions. I would try to contribute them myself, but I'm not
> > confident I could code them to the standards of gsl. What are the
> > chances of my wishes being fulfilled by another developer?
>
> Hello,
>
> Currently there aren't any inverses for the discrete distributions.
Woud you consider a patch? I might convert the python code I posted
into C, and make that the first discrete distribution having an inverse.
--
Heikki Orsila Barbie's law:
heikki.orsila@iki.fi "Math is hard, let's go shopping!"
http://www.iki.fi/shd
next prev parent reply other threads:[~2007-07-08 23:39 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-07-06 7:30 Jason Detwiler
2007-07-06 9:31 ` Heikki Orsila
2007-07-08 21:54 ` Brian Gough
2007-07-08 23:39 ` Heikki Orsila [this message]
2007-07-10 14:49 ` Brian Gough
2011-08-31 10:51 ` Jason Detwiler
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