how to use lsim

I have a system which i want to simulate its response for a step reference of magnitude pi/4

How can I do it using lsim command?

or is there another way?

Answer 1

[Star Strider]

The lsim function will work to get the step response of a system, however the step function is particularly designed to do this. To set the amplitude (and other parameters), use stepDataOptions.

You might also find the stepinfo function helpful.