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Which of the following command gives the step response characteristics of a control system?

(a) stepinf()

(b) stepinfo()

(c) stepinfo[]

(d) step()

I have been asked this question in exam.

Question is from Time Response of Control Systems in chapter Control System Applications of MATLAB

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Right option is (b) stepinfo()

Easy explanation: The stepinfo command is pre-defined in MATLAB to get the step response characteristics of a control system. The input is to be given within parentheses and not []. The step() command gives the output graph of the step response and it doesn’t reveal the characteristics explicitly.

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