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Re: Q: Abs[1+f*I] assuming f>0 and real

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  • Subject: [mg9376] Re: Q: Abs[1+f*I] assuming f>0 and real
  • From: Paul Abbott <paul at physics.uwa.edu.au>
  • Date: Sat, 1 Nov 1997 03:34:01 -0500
  • Organization: University of Western Australia
  • Sender: owner-wri-mathgroup at wolfram.com

Josip Gracin wrote:

> How do I make Mathematica 3.0 simplify Abs[f*I] for f>0 to f?

	PowerExpand[ComplexExpand[Abs[f*I]]]

Cheers,
	Paul 

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Paul Abbott                                   Phone: +61-8-9380-2734
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            God IS a weakly left-handed dice player
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