Re: a bug in V8 when computing hypergeometric function 2F0 ?

*To*: mathgroup at smc.vnet.net*Subject*: [mg126319] Re: a bug in V8 when computing hypergeometric function 2F0 ?*From*: Yi Wang <tririverwangyi at gmail.com>*Date*: Tue, 1 May 2012 05:20:43 -0400 (EDT)*Delivered-to*: l-mathgroup@mail-archive0.wolfram.com*References*: <jnb4qu$5kn$1@smc.vnet.net>

If you look at the series definition of 2F0, the series doesn't converge for the arguments you give. On the other hand, I am not sure if in this region the 2F0 is defined by analytical continuation. -- It's not an answer, just some thoughts. On Thursday, April 26, 2012 5:34:22 AM UTC-4, Rajesh Kumar A/l Parameswaran Nair (Staff) wrote: > hello, > > can anybody help? > > i have been trying to compute the value of HypergeometricPFQ[{1, > 0.5}, { }, 0.5] on mathematica V8. > > mathematica does not return a numerical value , except to say that > the output is " complex infinity". > > my hunch is that something is not right here as an earlier version > of mathematica , (V4 i think) , is able to do the job and give > the answer ... 1.27998+ 0.339235 i. This result is found in the book " > mathematica guide book for symbolics" by Michael Trott. > > s is there a bug somewwere? > > i have another question: can this be calculated on V7 ? > > cheers