here is direct command in matlab : fot calculating DFT . direct fourier transform , is the fastest version of FFT , so, it DFT uses FFT algorithm. ( theory)
fft(x,N) , or fft(x) where N, is the no. of samples, or length. and x is your signal.( Practical )
this is from comsian's ATD.
Added after 17 seconds:
here is direct command in matlab : fot calculating DFT . direct fourier transform , is the fastest version of FFT , so, it DFT uses FFT algorithm. ( theory)
fft(x,N) , or fft(x) where N, is the no. of samples, or length. and x is your signal.( Practical )
hope u will understand now...
this is from comsian's ATD.