Man Scilab

dft
Scilab Function

dft - discrete Fourier transform

Calling Sequence

[xf]=dft(x,flag);

Parameters

Description

Function which computes dft of vector x .

Examples


n=8;omega = exp(-2*%pi*%i/n);
j=0:n-1;F=omega.^(j'*j);  //Fourier matrix
x=1:8;x=x(:);
F*x
fft(x,-1)
dft(x,-1)
inv(F)*x
fft(x,1)
dft(x,1)
 
  

See Also

fft ,  

Author

C. B.

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