52/CH4/EX4.14/Example4_14.sce


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//Example 4.14
//Program to Compute the 4-point DFT of a Sequence x[n]=[1,-1,1,-1] 
//using DIT Algorithm.
clear;
clc ;
close ;
x=[1,-1,1,-1];
//FFT Computation
X =fft (x , -1);
disp(X,'X(z) = ');