grandes-ecoles 2025 Q18

grandes-ecoles · France · mines-ponts-maths2__mp Matrices Eigenvalue and Characteristic Polynomial Analysis

Prove the Schur-Cohn criterion: If $J(p)$ is invertible then $p$ has no stable root and $\sigma(p) = \pi(J(p))$.

Prove the Schur-Cohn criterion:
If $J(p)$ is invertible then $p$ has no stable root and $\sigma(p) = \pi(J(p))$.