1. ## [SOLVED] Very quick Q about diagonalization

if P^-1MP = diagonal matrix D

then how do I find what M^n is?

is it PD^nP^-1 = M^n?

2. Originally Posted by thekrown
if P^-1MP = diagonal matrix D

then how do I find what M^n is?

is it PD^nP^-1 = M^n?
$M^n=PD^nP^{-1}$ where p is the matrix of the corresponding eigenvectors.