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Re: Arg and Re instructions


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 

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Paul Abbott                                   Phone: +61-8-9380-2734
Department of Physics                           Fax: +61-8-9380-1014
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AUSTRALIA                             http://www.pd.uwa.edu.au/~paul

            God IS a weakly left-handed dice player
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