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MathGroup Archive 1999

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Re: ARghh!!

  • To: mathgroup at smc.vnet.net
  • Subject: [mg18797] Re: ARghh!!
  • From: "David Bailey" <db at salford-software.com>
  • Date: Thu, 22 Jul 1999 08:19:20 -0400
  • Organization: University of Salford, Salford, Manchester, UK
  • References: <7n12tn$bd7@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

O. Matt Umurhan <matt at NOSPAM.kelvin.nas.nasa.gov> wrote in message
news:7n12tn$bd7 at smc.vnet.net...
> To Whomever Can Help Me:
>
> I am having the worst time dealing with a complex numbered expression.
> The problem is this:  I have a numerical expression I wish mathematica
> to evaluate, the expression happens to be complex.  So, I have it
> do the evaluation and for output it gives me, for example,
>
> Out[122]=       ((1+ 2 I) - (43 - 4 I))
>
> when the ouput ought to read:
>
> Out[123]=      -42 - 2 I
>
> it leaves the output with these damned parenthesis in there and
> I do not know, for the life of me, how get take this output and
> remove these strange and pesky parens.
>
>

In fact the answer is -42+6I, which is what I get when I type your
expression into Mathematica 4.0. Maybe there is something odd about your
notebook. Perhaps you should post the contents of a small notebook which
exhibits this fault.

David Bailey
Salford Software





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