Routh-hurwitz pronunciation

1. Why use Routh Hurwitz?
2. What does the Routh array tell us?

Why use Routh Hurwitz?

Advantages of Routh- Hurwitz Criterion

We can find the stability of the system without solving the equation. We can easily determine the relative stability of the system. By this method, we can determine the range of K for stability.

What does the Routh array tell us?

The Routh array is a tabular method permitting one to establish the stability of a system using only the coefficients of the characteristic polynomial.