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MathGroup Archive 1995

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Re: Complex variables

  • To: mathgroup at christensen.cybernetics.net
  • Subject: [mg1502] Re: [mg1478] Complex variables
  • From: fateman at peoplesparc.cs.berkeley.edu (Richard J Fateman)
  • Date: Tue, 20 Jun 1995 01:37:42 -0400
  • Organization: University of California, Berkeley

In article <3s30on$f08 at news0.cybernetics.net>,
Allan Hayes  <hay at haystack.demon.co.uk> wrote:
>Stephen Resenbloom in  [mg1478] Complex variables
>Wrote
>
>> In Mathematica is there a way to specify that given variables are 
>purely real?
.........

>The package
><< Algebra`ReIm`
>Lets you specify which variable are real, as you want 
,...

However, except for a very few commands specifically hooked up
to this package, the declarations do not have any effect.
Furthermore, it apparently slows the system down when you use
those commands that are affected, even if you do not need
those special features.

This question is asked about once a month.


-- 
Richard J. Fateman
fateman at cs.berkeley.edu   510 642-1879


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