This is a useful tool. I got one question about the phase stable criterior though. Shouldn't the output from atan2 function has the unit of radians? However it is compared with the user input which is in degrees.
Hi Jim - this simulink block is extrememly useful to my system analysis. It would be useful to me to start the system at a lower frequency, and then increase to a high frequency. I realize that this cannot be done with this block? Is there a way that I achieve this?