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MathGroup Archive 1999

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  • To: mathgroup at smc.vnet.net
  • Subject: [mg20383] New user question
  • From: moriarty at umd5.umd.edu (Thomas Moriarty)
  • Date: Mon, 18 Oct 1999 02:40:30 -0400
  • Organization: University of Maryland, College Park
  • Sender: owner-wri-mathgroup at wolfram.com

I have just begun to use/learn Mathematica.  One of the first things I
tried was to Plot[x^(1/3),{x,-5,5}] and got error messages indicating that
the negatives^(1/3) were not machine level real numbers (or close to
that) - the positive side displayed ok.

What am I doing wrong?

Thanks



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