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How to replace variable 's' in the transfer function with another variable

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Joshua
Joshua 2014-12-3
评论： Fabio Gavilan 2022-4-28
Consider a=1 and b=[1 2]; d=tf(a,b); how do we replace the 's' term in d with (g+1) or (g+1)/(g-2)? Is that even possible?
  2 个评论
Joshua
Joshua 2015-1-8
The transfer function is d=s/((s+1)(s+2)). Can i replace the 's' with any other variable like 'g+1' or '(g+1)/(g+2)'?

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回答（1 个）

Andrei Bobrov
Andrei Bobrov 2014-12-3
yourTransferfunction = @(g)d(g+1);
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swarmer
swarmer 2020-10-22
This is known as an Anonymous Function. It is similar to lambdas from other programming like Python. Here is Wiki link if anyone wants to read into it further: https://en.wikipedia.org/wiki/Anonymous_function
Fabio Gavilan
Fabio Gavilan 2022-4-28
If you fill in yourTransferfunction(1) you get:
"Error using indexing Subscript no. 2 is out of range."
This does not change the variable in the expected way.

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