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Does AbsArg work for generic expressions?

Posted 8 months ago
2 Replies
2 Total Likes

Hi... I want get Abs[z] and Arg[z] and I'm using the AbsArg[] command but, it works for 'numeric' complex... For generic expression, I've trouble. Can someone help me?

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POSTED BY: Luis Claudio LA
2 Replies

It takes some nudging:

FullSimplify[ComplexExpand[AbsArg[1/(I w - 2)^2],
  TargetFunctions -> {Re, Im}],
 Element[w, Reals]]

Arg is not easy to deal with symbolically, because of the discontinuities.

POSTED BY: Gianluca Gorni
Posted 8 months ago

Thanks... :-D

POSTED BY: Luis Claudio LA
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