expfit vs harminv - which is faster/smaller ?

[Sergei Steshenko]

--- On Wed, 12/17/08, Peter L. Søndergaard <peter at sonderport.dk> wrote:

> From: Peter L. Søndergaard <peter at sonderport.dk>
> Subject: Re: expfit vs harminv - which is faster/smaller ?
> To: sergstesh at yahoo.com
> Cc: "Francesco Potortì" <Potorti at isti.cnr.it>, help-octave at octave.org
> Date: Wednesday, December 17, 2008, 12:57 AM
> Another option that might be of interest is the NFFT
> (non-equispaced
> FFT) library from
> 
> http://www-user.tu-chemnitz.de/~potts/nfft/
> 
> Cheers,
> 
> Peter.
> 

I think I've already visited this page, and I would use the algorithms for
non-equispaced sampling.

However, I'm not sure it decomposes input sequence onto a sum of 
exponentially decaying sinusoids.

Or I am missing something ? If yes, could you please point me to the exact
URL/method/etc ?

Thanks,
  Sergei.