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Optimisation of FourierCoefficients

• To: mathgroup at smc.vnet.net
• Subject: [mg75198] Optimisation of FourierCoefficients
• From: "Edmund" <Edmund.koch at tu-dresden.de>
• Date: Fri, 20 Apr 2007 00:37:59 -0400 (EDT)

I want to find the minimum of a Fourier-Coefficient as a function of the 
input values.

FindMinimum[Abs[Fourier[{ y, 1}][[1]]], {y, 2}]

The actual problem is a little more complicated, but even this simple 
statements gives the error messages I can't understand.

Fourier::fftl: Argument {y, 1} is not a non-empty list or rectangular array 
\
of numeric quantities.


Any suggestion ?

best regards

Edmund

• Follow-Ups:
  • Re: Optimisation of FourierCoefficients
    • From: Sseziwa Mukasa <mukasa@jeol.com>