Chapter 2 8 Example:Differential Equation 3rd order system++3y=u 3 state variables (write as a vector): W≡ W2 ,w= W3 Theory8 Example: Differential Equation • 3rd order system • 3 state variables (write as a vector): y y y y u     3 3 1 2 3 , w y w w w y w y                       Chapter 2