Re: ProductLog[-Pi/2]

*To*: mathgroup at smc.vnet.net*Subject*: [mg44215] Re: ProductLog[-Pi/2]*From*: poujadej at yahoo.fr (Jean-Claude Poujade)*Date*: Tue, 28 Oct 2003 05:53:24 -0500 (EST)*References*: <bnapg7$4lk$1@smc.vnet.net> <bndk8u$g5m$1@smc.vnet.net>*Sender*: owner-wri-mathgroup at wolfram.com

"Christos Argyropoulos M.D." <argchris at otenet.gr> wrote in message news:<bndk8u$g5m$1 at smc.vnet.net>... > Hi, > Actually this is the expected behaviour; > You entered an exact number in the ProductLog function, and you get back an > exact number (i.e. ProductLog[Pi/2]) > Mathematica will keep this special function result in this exact format, > unless requested to return a numeric result. [...] Christos, Evcharisto poli for your reply, but I'm sorry I don't agree with you. If I type Gamma[1/2] Mathematica doesn't return Gamma[1/2] but Sqrt[Pi] ! So what is the "expected behaviour" ? Regards, --- jcp