Simulink 2020 problem with the sintaxis of transfer function

Question

Erika Molano 2020-4-12

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https://ww2.mathworks.cn/matlabcentral/answers/517240-simulink-2020-problem-with-the-sintaxis-of-transfer-function

回答： Mary Baran 2022-1-1

Best regards

I just downloaded MATLAB version 2020, and I coded a very simple program. The problem is that it throws the following error:

Error (line 5) s = tf ('s')

I executed the same code on other computers with MATLAB and mine is the only one where this error appears. I hope you can help me as soon as possible.

Here I attach the code

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Nikhil Sonavane 2020-4-15

Its always recommended that you add the code here as text and not as a screenshot.

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Answer 1

Nikhil Sonavane 2020-4-15

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https://ww2.mathworks.cn/matlabcentral/answers/517240-simulink-2020-problem-with-the-sintaxis-of-transfer-function#answer_426143

编辑：Nikhil Sonavane 2020-4-15

I executed your code in MATLAB 2020a and it worked perfectly fine. It seems that a toolbox containing tf function is missing. Please check if at least one of the following toolbox are installed in your MATLAB-

Control System Toolbox
DSP System Toolbox
Model Predictive Control Toolbox
Signal Processing Toolbox

I would suggest you install Control System Toolbox, if it is not already installed and proceed further.

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Answer 2

John Shimer 2021-7-17

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Answer 3

Mary Baran 2022-1-1

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