Let A P 19 4 8 2 3 1 3 2 3 25 4 8 4 Find an orthogonal

Last updated: 5/21/2023

Let A P 19 4 8 2 3 1 3 2 3 25 4 8 4 Find an orthogonal matrix P with rational entries and a diagonal matrix D such that D PT AP 19 sqrt 5 2 sqrt 5 4 sqrt 5 2 sqrt 5 sqrt 5 3 D 9 0 27 0 27