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Transfer Function and step response

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Jason Magdos
Jason Magdos 2021-1-27
回答： Paul 2021-1-28
Hello,
I am trying to find the transfer function and step response of a simple function. Whenver I try and use the "tf(num,den)" I get an error code saying it is an "Unrecognized function or variable 'tf'." I get a similar response with the step function. Is there another package I need to install inorder for these functions to work properly?

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Paul
Paul 2021-1-28
You need the the Control System Toolbox.

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