Ellipsoidal Lyapunov function
= Ellipsoidal Lyapunov function
A positive-definite quadratic form defines ellipsoidal sublevel sets and often turns a polynomial vector field into an exact factored orbital derivative.
= Ellipsoidal Lyapunov function
A positive-definite quadratic form defines ellipsoidal sublevel sets and often turns a polynomial vector field into an exact factored orbital derivative.