By inspection, find the eigenvalues of the following matrix: Enter the eigenvalues in increasing order. Eigenvalues are: i i 8 00 -3 12 0 7 93 H

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter5: Orthogonality
Section5.4: Orthogonal Diagonalization Of Symmetric Matrices
Problem 27EQ
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By inspection, find the eigenvalues of the following matrix:
Enter the eigenvalues in increasing order.
Eigenvalues are: i
8
00
12 0
7 93
-3
Find the characteristic equation of the matrix by inspection.
[8 -8 5 4
0 -7 00
0
0 80
0
0
The characteristic equation is
= 0
Suppose that a 4 x 4 matrix A has eigenvalues A₁=1, A2=-5, A3-8, and A4-8. Use the following method to find tr(A).
If A is a square matrix and p(A) = det (Al-A) is the characteristic polynomial of A, then the coefficient of An-1 in p() is the negative
of the trace of A.
tr(A) =
Transcribed Image Text:By inspection, find the eigenvalues of the following matrix: Enter the eigenvalues in increasing order. Eigenvalues are: i 8 00 12 0 7 93 -3 Find the characteristic equation of the matrix by inspection. [8 -8 5 4 0 -7 00 0 0 80 0 0 The characteristic equation is = 0 Suppose that a 4 x 4 matrix A has eigenvalues A₁=1, A2=-5, A3-8, and A4-8. Use the following method to find tr(A). If A is a square matrix and p(A) = det (Al-A) is the characteristic polynomial of A, then the coefficient of An-1 in p() is the negative of the trace of A. tr(A) =
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