Re: Real-data DFT in Octave

[Doug Stewart]

On Sat, Oct 6, 2012 at 9:18 AM, Torbjörn Rathsman <address@hidden> wrote:

Is it possible to without much effort call the real to complex dft routins from octave. It is easier to manipulate the spectrum that way, since i am guarantied that the mirror part becomes correct. The purpose in this case is to compute filtered derivative of second order.
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why not use fft?

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DAS

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