How to get second and third state using MPT toolbox ?

I am implementing a state space function using MPT toolbox in which there are 4 states I want to get output of second and third state how can I get this?I am following example of duffing oscillator.Anyone can help me in this regard????

[Star Strider]

I never heard of it before your other Question today. Perhaps it’s best for you to ask MPT Support.