Mathematica 9 is now available
Services & Resources / Wolfram Forums
-----
 /
MathGroup Archive
2004
*January
*February
*March
*April
*May
*June
*July
*August
*September
*October
*November
*December
*Archive Index
*Ask about this page
*Print this page
*Give us feedback
*Sign up for the Wolfram Insider

MathGroup Archive 2004

[Date Index] [Thread Index] [Author Index]

Search the Archive

Re: Fit : complex data to complex function, coefficients must be real

  • To: mathgroup at smc.vnet.net
  • Subject: [mg49279] Re: Fit : complex data to complex function, coefficients must be real
  • From: Bill Rowe <readnewsciv at earthlink.net>
  • Date: Sun, 11 Jul 2004 02:16:13 -0400 (EDT)
  • Sender: owner-wri-mathgroup at wolfram.com

On 7/10/04 at 2:48 AM, Timothy.Van.Renterghem at intec.Ugent.be
(Timothy) wrote:

>I want to fit (function Fit[] in Mathematica) complex data to a
>complex function, but the fitted coefficients must be real numbers.
>How can i do this ?

Have you just tried using Fit with complex numbers? When I use Fit with complex numbers it seems to work fine. For example

In[1]:=
data = Table[N[{Exp[I/n], 2*Exp[I/n]}], {n, 1, 10}]; 

Chop[Fit[data, {x, 1}, x]]
Out[2]=
2.000000000000001*x
--
To reply via email subtract one hundred and four


  • Prev by Date: Incomplete simplification
  • Next by Date: Test for pure real complex quotient
  • Previous by thread: Fit : complex data to complex function, coefficients must be real
  • Next by thread: [Fwd: Re: what kind of a programming language is Mathematica?]