Changing a parameter in a trasferire function

Question

Gaetano Ruocco 2023-2-27

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https://ww2.mathworks.cn/matlabcentral/answers/1920005-changing-a-parameter-in-a-trasferire-function

评论： Paul 2023-2-27

采纳的回答： Star Strider

I have the following transfer function

h = 1 for t<=0 and 0 for t>0

I have to determine the properties of the LTI system for t<=0 and t>0.

How can I make h change its value automatically ? Without doing two cases for h=1 and h=0

Thank you for your help

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Paul 2023-2-27

Hi Gaetano,

Assuming t is the independent variable of the the inverse transform of G(s), i.e., g(t) -> G(s), the coefficients in G(s) can't change as a function of time. LTI systems have constant coefficients. Can you clarify what t is how it enters into the problem?

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