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Re: 3D data set

  • To: mathgroup at
  • Subject: [mg51016] Re: 3D data set
  • From: Karl_boehme_9 at (Klaus G)
  • Date: Fri, 1 Oct 2004 04:49:41 -0400 (EDT)
  • References: <cjdq0q$ar3$>
  • Sender: owner-wri-mathgroup at

Giovanni Bellesia <giovanni.bellesia at> wrote in message news:<cjdq0q$ar3$1 at>...
> Dear all,
> I have a general question regarding a topic which is not 
> completely new to the forum.
> I have a 3D data set (from a Monte Carlo simulation) which are supposed 
> to lay approximately on a helix.
> Does anybody knows a clear and efficient procedure to fit these points 
> to a regular, circular helix.
> I read something about this in a message dated may 2004 by D.L. but I 
> wasn't able to download the related files
> Thanks
> Giovanni

Why not try to Fit separately in two steps:

Sqrt[x²+y²] = r
z = c*t

Klaus G.

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