(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

Suppose the matrix A , B are diagonalizable and have the same eigenvectors. Show AB=BA

2. Relevant equations

3. The attempt at a solution

There exists a matrix P s.t. (P^-1)AP=(P^-1)BP

I played around with this, and could not get anywhere..

**Physics Forums | Science Articles, Homework Help, Discussion**

Dismiss Notice

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Homework Help: Diagonal matrix

**Physics Forums | Science Articles, Homework Help, Discussion**