Lyapunov's direct method: if V is positive definite and V̇ = ∇V·f is negative semidefinite near a fixed point x*, then x* is stable; strict negativity implies asymptotic stability. LaSalle's invariance principle handles the semidefinite…
Lyapunov's direct method: if V is positive definite and V̇ = ∇V·f is negative semidefinite near a fixed point x*, then x* is stable; strict negativity implies asymptotic stability. LaSalle's invariance principle handles the semidefinite…