Conditions of ___________ are necessary and sufficient condition for the asymptotic stability of the system.
(a) Linear system
(b) Krasovskii’s method
(c) positive definiteness
(d) Variable gradient method
I have been asked this question by my college professor while I was bunking the class.
The origin of the question is The Direct Method and Constructing of Liapunov for the Linear and Non-Linear System topic in portion Liapunov’s Stability Analysis of Control Systems