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MathGroup Archive 2004

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RE: ListPlot3D with holes

  • To: mathgroup at smc.vnet.net
  • Subject: [mg47820] RE: [mg47796] ListPlot3D with holes
  • From: "Owen, HL (Hywel)" <H.L.Owen at dl.ac.uk>
  • Date: Wed, 28 Apr 2004 06:56:06 -0400 (EDT)
  • Sender: owner-wri-mathgroup at wolfram.com

One way round it is to query whether your Solve has produced a solution
using an If[] and look for an empty set {} to see if no solution has been
found. If there is no solution, then put {0} in your list instead of {}.
You'll now see 'holes' in the plot where there is no solution.

Hywel

> -----Original Message-----
> From: holger.linde at epost.de [mailto:holger.linde at epost.de]
To: mathgroup at smc.vnet.net
> Sent: 27 April 2004 09:47
> To: mathgroup at smc.vnet.net
> Subject: [mg47820] [mg47796] ListPlot3D with holes
> 
> 
> Hello,
> I've plotted a two dimensional list with ListPlot3D, but now I've run
> into trouble because for parts of this list, no values exist. (Imagine
> that the list values are gained from an equation system, and in some
> cases, no solution exists). I.e., the definition domain is not
> continuous, but has 'holes'. My goal is to retrieve a 3D plot where
> these points are left out. Any ideas?
> 
> Regards,
> Holger
> 


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