716/CH7/EX7.1.a.V/7_12_ExerciseV7_1a.sce


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//determine z transform of x(n)={1,3,5,6}
clc;
clear;
x={1,3,5,6};
z=poly(0,"z");
X=0;
for n=1:1:4
    X=X+x(n).*(z^(-1*(n-1)));
end
disp(X,"Z tranform=");