hrfhjkjsf94891 hrfhjkjsf94891 12-04-2024 Mathematics contestada Find an orthogonal diagonalization for matrix A=[[1,0,0],[0,-3,1],[0,1,-3]]. i.e. find an orthogonal matrix U and a diagonal matrix D such that A=UDUᵗ. Any empty entries are assumed to be 0. Find the diagonal matrix D.