## Re: [Qucs-help] qucs-help

 Re: [Qucs-help] qucs-help From: Stefan Jahn - 2009-05-07 08:55:46 Attachments: dft.pdf ```Am Mi, 6.05.2009, 07:35, schrieb Áîãîìîëîâ Ñåðãåé Èëüè÷: > Good day, Qucs-help. Hello Sergey, > Discrete Fourier Transformation (DFT) and FFT may have number from 0 to > N-1. > Why number of DFT or FFT start from 1 (in Qucs 0.0.14)? Why DFT or FFt > with > number=0 is absent in result? It's not missing. fft() and dft() deliver independent data vectors with N values exactly. So how you numerate them (0 to N-1 or 1 to N) is meaningless. Please see attached file that everything is fine. Cheers, Stefan.```

 [Qucs-help] qucs-help From: Богомолов Сергей Ильич - 2009-05-06 06:07:05 ```Good day, Qucs-help. Discrete Fourier Transformation (DFT) and FFT may have number from 0 to N-1. Why number of DFT or FFT start from 1 (in Qucs 0.0.14)? Why DFT or FFt with number=0 is absent in result? With regard Sergey Bogomolov mailto:BogomolovSI@... ```
 Re: [Qucs-help] qucs-help From: Stefan Jahn - 2009-05-07 08:55:46 Attachments: dft.pdf ```Am Mi, 6.05.2009, 07:35, schrieb Áîãîìîëîâ Ñåðãåé Èëüè÷: > Good day, Qucs-help. Hello Sergey, > Discrete Fourier Transformation (DFT) and FFT may have number from 0 to > N-1. > Why number of DFT or FFT start from 1 (in Qucs 0.0.14)? Why DFT or FFt > with > number=0 is absent in result? It's not missing. fft() and dft() deliver independent data vectors with N values exactly. So how you numerate them (0 to N-1 or 1 to N) is meaningless. Please see attached file that everything is fine. Cheers, Stefan.```