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January 5th, 2012, 02:32 AM   #1
 
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Discrete Fourier Transform of NDsolve in Mathematica?

I want to do a discrete fourier transform of the solution I have found using NDSolve, however, because the NDSolve creates Interpolating functions rather than numbers I can't do this. Any help is appreciated. I've attatched the file I'm working with.

Thanks
Catrin
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