-1 2 0 Given a symmetric matrix A 2 0 2 and an orthogonal matrix 2 1 1 that diagonalizes A to D = PT AP = PAPT = diag(A3, A2, A1) where P = -2 2 1 2 -2 %3D %3D 1 1, A2, A3 are the eigenvalues of A corresponding to the eigenvectors V1, V2, V3 a) Determine the eigenvalues and eigenvectors of A As =

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter7: Distance And Approximation
Section7.4: The Singular Value Decomposition
Problem 26EQ
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-1 2 0
2
0 2
and an orthogonal matrix
Given a symmetric matrix A
%3D
2 1
1
2
P = -2 2
that diagonalizes A to D = PT AP = PAP" = diag(A3, A2, A1) where
%3D
1
%3D
2 -2
1, 12, Az are the eigenvalues of A corresponding to the eigenvectors V1, V2, V3
a) Determine the eigenvalues and eigenvectors of A
As =
b) If Q(x) =
= x' Ax where x =
Transcribed Image Text:-1 2 0 2 0 2 and an orthogonal matrix Given a symmetric matrix A %3D 2 1 1 2 P = -2 2 that diagonalizes A to D = PT AP = PAP" = diag(A3, A2, A1) where %3D 1 %3D 2 -2 1, 12, Az are the eigenvalues of A corresponding to the eigenvectors V1, V2, V3 a) Determine the eigenvalues and eigenvectors of A As = b) If Q(x) = = x' Ax where x =
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