Re: A question regarding a hyperbolic geometric function
- To: mathgroup at smc.vnet.net
- Subject: [mg86469] Re: A question regarding a hyperbolic geometric function
- From: Phil I <p.ingrey at gmail.com>
- Date: Wed, 12 Mar 2008 00:11:17 -0500 (EST)
- References: <200803100704.CAA24775@smc.vnet.net> <fr5e50$oa2$1@smc.vnet.net>
On Mar 11, 7:59 am, "Ali K. Ozdagli" <ozda... at gmail.com> wrote: > This would be a nice way to go. I have just checked the Abramowitz and > Stegun book but unfortunately there are no such transformations for > Hypergeometric1F1. Does anybody know a transformation for > Hypergeometric1F1 that can help me solve my numerical accuracy problem > the way Tony did below. Any other ideas are also appreciated. > > Best, > > Ali > I've been working with the confluent hypergeometrics for a while the equation you want is: M[a,b,z] -> (Gamma[b]/Gamma[a])*Exp[z]*z^(a-b) as z -> inf [Abramowitz and Stegun equation 13.1.4] with your x this should be a very good approximation. Hope this helps
- References:
- A question regarding a hyperbolic geometric function
- From: "Ali K. Ozdagli" <ozdagli@gmail.com>
- A question regarding a hyperbolic geometric function