Re: Real-data DFT in Octave

[Sergei Steshenko]

----- Original Message -----
> From: Torbjörn Rathsman <address@hidden>
> To: address@hidden
> Cc: 
> Sent: Saturday, October 6, 2012 3:18 PM
> Subject: Real-data DFT in Octave
> 
> 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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I am not sure what the problem is, but dealing with real input data I use 
'conj' and 'fliplr' in the end when I need to produce mirrored spoectrum for 
inverse FFT.

Regards,
  Sergei.