Services & Resources / Wolfram Forums
-----
 /
MathGroup Archive
1997
*January
*February
*March
*April
*May
*June
*July
*August
*September
*October
*November
*Archive Index
*Ask about this page
*Print this page
*Give us feedback
*Sign up for the Wolfram Insider

MathGroup Archive 1997

[Date Index] [Thread Index] [Author Index]

Search the Archive

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
____________________________________________________________________


  • Prev by Date: Using Fold in Select
  • Next by Date: How write the result of Table[NSolve...] into a text file can be read by Excel
  • Previous by thread: Arg and Re instructions
  • Next by thread: Re: FindMinimum var specification