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Re: fit a complex function

  • To: mathgroup at smc.vnet.net
  • Subject: [mg98981] Re: fit a complex function
  • From: "Sjoerd C. de Vries" <sjoerd.c.devries at gmail.com>
  • Date: Thu, 23 Apr 2009 06:42:39 -0400 (EDT)
  • References: <gsmn0k$d2r$1@smc.vnet.net>

I may be wrong here, but I don't think that you can do a non-linear
fit with complex numbers.

Cheers -- Sjoerd

On Apr 22, 11:11 am, Magician <jadoo.d... at gmail.com> wrote:
> I have  data in the following form
>
> xi  , Fi            (xi is real but Fi is complex)
>
> i want to determine a fit by using function
>
> F(x, a , b,c, d)=    a Exp(- x^2/b) + c Sin( d x)
>
> a, b, c and d are complex numbers to be determined so as to accurately
> represent the data.
>
> How to do this problem?



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