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Re: ProductLog[-Pi/2]

  • To: mathgroup at
  • Subject: [mg44215] Re: ProductLog[-Pi/2]
  • From: poujadej at (Jean-Claude Poujade)
  • Date: Tue, 28 Oct 2003 05:53:24 -0500 (EST)
  • References: <bnapg7$4lk$> <bndk8u$g5m$>
  • Sender: owner-wri-mathgroup at

"Christos Argyropoulos M.D." <argchris at> wrote in message news:<bndk8u$g5m$1 at>...
> 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.
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" ?



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