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Re: using fourier transforms in mathematica

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  • Subject: [mg103790] Re: using fourier transforms in mathematica
  • From: AES <siegman at>
  • Date: Tue, 6 Oct 2009 08:00:53 -0400 (EDT)
  • Organization: Stanford University
  • References: <had9m9$aab$>

> Any help is highly appreciated.
> Carsten

Carsten, if you're at CREOL you should be able to find any number of 
guys (and gals) there who are up to speed on doing beam and resonator 
calculations using FFTs.

(And though that is surely the fastest and most efficient way to do such 
calculations, modern computers are so powerful that it's often easier to 
just convert Huygens integral into matrix form; evaluate the matrix 
(even if it's very large); and then just use matrix multiplication.)

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