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Equation of dynamics are given by the differential equations

System 1.1 : $\quad\quad (D+2)x(t) = (3D +5) r(t)$

System 1.2 : $\quad\quad D(D+2) x(t) = (D+4) r(t)$

System 1.3 : $\quad\quad (D^2 +2D+1) x(t) = D r(t)$

We have to write a code which can obtain its impulse response and its output then plot both of them. I have never worked on Matlab before so i have no idea how to do this. I have tried solving this on paper but on Matlab i have no idea how to do this.

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C-137
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    Please. Show us your "paper " developments. – Cesareo Sep 25 '21 at 15:53
  • I cant show all of what i have done because its in my rough notebook. But for example for system 1.3 impulse response h(t)=(1-t)e^(-t) u(t) and final output is x(t) = t e^-t – C-137 Sep 25 '21 at 17:41
  • Please. Have a look at https://es.mathworks.com/help/control/getstart/linear-lti-models.html – Cesareo Sep 25 '21 at 19:03
  • I did but i am still very confused as most of these models are for discrete time systems and not continuous time systems – C-137 Sep 26 '21 at 16:09

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