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MathGroup Archive 2006

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Re: A bug in ListPlot3D ?

  • To: mathgroup at
  • Subject: [mg65914] Re: A bug in ListPlot3D ?
  • From: Bill Rowe <readnewsciv at>
  • Date: Sun, 23 Apr 2006 06:17:18 -0400 (EDT)
  • Sender: owner-wri-mathgroup at

On 4/22/06 at 4:54 AM, fangh73 at (Hui Fang) wrote:

>I'm trying to use ListPlot3D to show a interesting surface. However,
>the result is very confusing. Since my data is rather long, I'll
>just use 4 points to explain what happened.


>The range of x and y axes are between {1,3} and {1,4} respectively,
>but the y axes is supposed to be about 60! The worse thing is the z
>axis has a range from 1 to 60, not showing anything NEGATIVE!

>Anybody has any idea what's going on? I am using Mathematica 4.1.
>Thanks a lot!

I am using Mathematica 5.2 and I believe the plot produced is correct. However, I can see how this plot could be mis-interpreted.

The z-axis has tick labels at 0, 20, 40 and 60. The x-axis has labels at 1, 1.5, 2, 2.5 and 3. The left most x-axis label is aligned with the z-axis label. Because of this, it would be very easy to see the 1 as a label for the z-axis giving the incorrect impression z runs from 1 to 60. Perhaps this is what you are seeing as well.

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