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RE: Urgent Plot Problem

  • To: mathgroup at smc.vnet.net
  • Subject: [mg34083] RE: [mg34063] Urgent Plot Problem
  • From: deniz.seker at arcelik.com
  • Date: Thu, 2 May 2002 03:49:23 -0400 (EDT)
  • Sender: owner-wri-mathgroup at wolfram.com

I've solved the problem by taking the InterpolatingFunctions to InputForm
and plotting the First of the results. I think at some points there are Im
parts.

Thanks for your help

Regards,

Deniz 


-----Original Message-----
From: Sseziwa Mukasa [mailto:mukasa at jeol.com]
To: mathgroup at smc.vnet.net
Subject: [mg34083] Re: [mg34063] Urgent Plot Problem



On Wednesday, May 1, 2002, at 08:00 AM, deniz.seker at arcelik.com wrote:

> Hi everybody,
>
> I have an NDSolve solution for two different variables in
> InterpolatingFunction form.
>
> I'm trying to get 2 different 3D plots. But I'm having error messages 
> about
> some point of the solutions that they are not real numbers on this 
> point.
>
Does your function have singularities?  Or the numeric approximation to 
it may have an imaginary component at some points (ie, not a real 
number), or you could be dividing by zero at some point and getting 
undefined values.  Without more information it's hard to tell what's 
wrong.

> How can I get this plots? Can I ignore these error messages?
>
You cannot ignore the problems.  If it's simply a problem of a small 
imaginary component that you know is the result of floating point error 
and is not mathematically significant then simply use Re.

Ssezi


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