![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/180342/image.png)
Hi, how can I calculate an impulse response of the LTI system, for a given function : y[n] - 0.5*y[n-1] = -0.5*x[n] + x[n-1]
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DenisK
le 21 Mar 2018
Réponse apportée : DenisK
le 23 Mar 2018
% create a symbolic expresion for y(n) and x(n)
syms y(n)
syms x(n)
%define function for transform Z
y(n)= 0.5*y(n-1)-0.5*x(n)+x(n-1);
ztrans(y(n))
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Abraham Boayue
le 23 Mar 2018
I hope this will be of some help.
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/180342/image.png)
b = [1, -.5];
a = [-.5, 1];
H= zplane(b,a);
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Plus de réponses (2)
Abraham Boayue
le 22 Mar 2018
Look here.<https://www.mathworks.com/matlabcentral/answers/386745-how-can-i-find-y-n>
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