(A paradox for instructors) If AAT = AT A then A and AT share the same eigenvectors
Chapter 6, Problem 22(choose chapter or problem)
(A paradox for instructors) If AAT = AT A then A and AT share the same eigenvectors (true). A and AT always share the same eigenvalues. Find the flaw in this conclusion: They must have the same S and A. Therefore A equals AT.
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer