https://au.mathworks.com/help/slcontrol/ug/frest.createstep.html
frest.createStep - Create step input signal - MATLAB
A step input signal has an initial value of 0 and transitions to a specified step size value after a specified step time.
createstepinputsignalmatlab
https://nl.mathworks.com/help/slcontrol/ug/frest.createstep.html
frest.createStep - Create step input signal - MATLAB
A step input signal has an initial value of 0 and transitions to a specified step size value after a specified step time.
createstepinputsignalmatlab