How do I create and square polynomial equations

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Karan Kataria 2021-3-25

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回答： Pavan Guntha 2021-3-29

So im trying to work out closed loop function but how do I create the equation:

k/(s+1)^3*(s+4) but not sure how to.

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darova 2021-3-26

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Pavan Guntha 2021-3-29

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Hi Karan,

You could generate the equation of transfer function in MATLAB using tf command. You could also use feedback function to calculate the transfer function of the negative feedback system. For more details you could refer to the documentation of Control System Toolbox.

Hope this helps!