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a first-time user question

  • To: mathgroup at
  • Subject: [mg39352] a first-time user question
  • From: "Ye Hu" <huye at>
  • Date: Wed, 12 Feb 2003 03:52:57 -0500 (EST)
  • Organization: University of Pennsylvania
  • Sender: owner-wri-mathgroup at

I have a simple (supposedly) question...

I used the following command to draw a plot, but Mathematica could not run


I know the problem is about calculating (-1)^(1/3) in mathematica. Although
(-1)^(1/3) = -1,
mathematica tries to calculate it numerically and gives complex results
How to solve this problem and restrict the solution to be only real numbers?

Thanks very much.

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