Re: Arg and Re instructions
- To: mathgroup at smc.vnet.net
- Subject: [mg9010] Re: Arg and Re instructions
- From: Paul Abbott <paul at physics.uwa.edu.au>
- Date: Wed, 8 Oct 1997 00:05:08 -0400
- Organization: University of Western Australia
- Sender: owner-wri-mathgroup at wolfram.com
Maria Chiara Ubaldi wrote: > Does anybody know if it's possible to operate with Arg and Re obtaining > symbolic expressions? > > For example, is it possible to have: > > Arg[x+I*2*x^2]=ArcTan[2*x] But this is not true for negative x? Cheers, Paul ____________________________________________________________________ Paul Abbott Phone: +61-8-9380-2734 Department of Physics Fax: +61-8-9380-1014 The University of Western Australia Nedlands WA 6907 mailto:paul at physics.uwa.edu.au AUSTRALIA http://www.pd.uwa.edu.au/~paul God IS a weakly left-handed dice player ____________________________________________________________________