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Mathematica Question

  • To: mathgroup at
  • Subject: [mg2318] Mathematica Question
  • From: Peter.Lee at Dartmouth.EDU (Mackie Stingray)
  • Date: Tue, 24 Oct 1995 02:13:25 -0400
  • Organization: Dartmouth College, NH

Hi, I was working on some differntial equations and decided to have
Mathematica plot some Phase-Space solutions, which was simply a plot of
a circle of the form X^2+Y^2=R^2 - this resulted in several messages
from Mathematica about saying that it was not a "Machine-Size Real
Number" at several points on my range...I had a similar error message
when I tried plotting Y^2=X (Plot[{Sqrt[X], - Sqrt[X]}, {X, -10,
10}])...I was still able to get a plot of my solution, but I was just
wondering what caused these messages to appear and what they mean (I'm
new to using Mathematica)...If anybody knows, please e-mail me.

Thanks in advance.

Mackie at
"Professor Dyson, what do you think about the many-worlds theory?"
"I don't like it."
-Freeman Dyson

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