Since this is my first attempt to use plots[animate], please forgive if my question is silly.
I want to use plots[animate] with RootLocusPlot to show the effect of variable. Here is my attempt.
Of course, when issuing the commands, an error comes out:
Error, (in plots/animate) symbolic value(s) in model: a
- Although I could define sys using NewSystem with a symbolic value, alpha, I have no idea how to assign a value for alpha. subs(alpha=2,..) does not seem to work.
- If I remove the square brackets in the second argument of plots[animate], a different msg comes out. Why do I need (or not) them?