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hi.I don't know how to create B...help me pls.

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super bad
super bad 2017-10-7
评论： super bad 2017-10-7
1 a
A= ----- ; B= -----
s + 2 s+b
1/ create tranfer function A and B
2/ A+B=?
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Star Strider
Star Strider 2017-10-7
In my Answer to your previous Question, in which I supplied anonymous and inline functions, amongst other approaches, that allow you to pass those parameters as arguments to the tf function, you said that none of them worked, yet those are the only possible options.
super bad
super bad 2017-10-7
I tried your ways but the result was not a tranfer function. Perhaps because of our differences in language, I can not express exactly what I want for you.

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回答（1 个）

M
M 2017-10-7
Hello,
to create transfer functions in Matlab, you should look at the 'tf' function :
sys = tf(Numerator,Denominator)
transfer function
  1 个评论
super bad
super bad 2017-10-7
hello. I know use a command 'tf'.but it is only executed to numberic data.
ex: A=tf([1 1],[1 1 1]);
you can't use it for parameters (a,b) like my example.

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