[Homework 1] - Question 6 (Orthogonal Matrix Proof)

(Elliot Williams) #1

I’ve been wondering how I might go about solving this? I’m sure I’m missing something quite simple; it’s just that, after reading the Trefethen textbook for a while, I can’t seem to figure out how to do it.


(Rachel Thomas) #2

To get started, let B = U S V be the SVD of B and try plugging that in.