I have a transfer function which equals to G/1+GH where G=k(s+3)/s^2(s+4)(s+5) and H=1 i want to find the respone at unit step and the root locus but my problem is the k how to input it in the matlab any ideas please tell me

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Abanoub Sekla
Abanoub Sekla on 20 Dec 2015
Transfer function with unknown variable k

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