grandes-ecoles 2025 Q12e

grandes-ecoles · France · polytechnique-maths-a__mp Matrices Projection and Orthogonality
Deduce that the kernel of $\bar{p}$ is a complement of $W$ and that it is stable under $u$ and $h$.
Deduce that the kernel of $\bar{p}$ is a complement of $W$ and that it is stable under $u$ and $h$.