Question

It is difficult to form Liapunov’s function for:

(a) Linear system

(b) Non-linear

(c) Time variant systems

(d) Time –invariant systems

I got this question by my school teacher while I was bunking the class.

Asked question is from The Direct Method and  Constructing of Liapunov for the Linear and Non-Linear System topic in portion Liapunov’s Stability Analysis of Control Systems

Answer 1

Right answer is (b) Non-linear

The explanation: For non-linear system it is difficult to form the Liapunov’s function

And we use various method to do this.