grandes-ecoles 2013 Q4

grandes-ecoles · France · x-ens-maths__pc Matrices Matrix Norm, Convergence, and Inequality

Let $A \in \mathbf{M}_n$ and $U, V \in \mathbf{O}_n$. Show that $\|UAV\| = \|A\|$.

Let $A \in \mathbf{M}_n$ and $U, V \in \mathbf{O}_n$. Show that $\|UAV\| = \|A\|$.