Re: ProductLog[-Pi/2]
- To: mathgroup at smc.vnet.net
- Subject: [mg44209] Re: ProductLog[-Pi/2]
- From: Paul Abbott <paul at physics.uwa.edu.au>
- Date: Tue, 28 Oct 2003 05:53:15 -0500 (EST)
- Organization: The University of Western Australia
- References: <bnapg7$4lk$1@smc.vnet.net> <bndk8u$g5m$1@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
In article <bndk8u$g5m$1 at smc.vnet.net>, "Christos Argyropoulos M.D." <argchris at otenet.gr> wrote: > Actually this is the expected behaviour; Why? > You entered an exact number in the ProductLog function, and you get back an > exact number (i.e. ProductLog[Pi/2]) But surely, for ProductLog[-Pi/2], Mathematica could give the _exact_ result I Pi/2, just as it does for, say ArcTan[Sqrt[3]] or Sin[Pi/12] > Mathematica will keep this special function result in this exact format, > unless requested to return a numeric result. Or give an exact result, when possible (or sufficiently simple). Cheers, Paul -- Paul Abbott Phone: +61 8 9380 2734 School of Physics, M013 Fax: +61 8 9380 1014 The University of Western Australia (CRICOS Provider No 00126G) 35 Stirling Highway Crawley WA 6009 mailto:paul at physics.uwa.edu.au AUSTRALIA http://physics.uwa.edu.au/~paul