How to write the matlab codes for the following transfer function

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phoenix
phoenix 2018-8-3
编辑： Star Strider 2018-8-3
T(z)=(5-G(z)*z^-5)/(1-5*G(z)*z^-5);
where G(z) is a separate transfer function in Z domain.

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回答（1 个）

Aquatris
Aquatris 2018-8-3
编辑：Aquatris 2018-8-3
Assuming G(z) is a SISO(single input-single output) system, here is the code;
z = tf('z');
G = z/(z+1);
T = minreal(5-G*z^-5)/(1-5*G*z^-5);
You need to specify the sample time of the system by simply modifying the code;
z = tf('z',dt)

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