Find the characteristic equations of the following matrices: (a) 1] -2 1 0 -2 0 1 4 0 0 -5 (b) | 3 1 - -1 1 -2 (c) -2 -6 -2 1 19 5 5 -4 1.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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6. Find the characteristic equations of the following matrices:
(a) 4 0 1
-2 1 0
-2 0 1
(b)
3
0 -5
* -1
1
1 -2
(c) -2
-6 -2
1
19
5 -4
(d) -1
-1
3
-4 13 -1
50 1
1 1 0
-7 1 0
(e)
(f) 5
6
2
0 -1 -8
1
0 -2
7. Find the eigenvalues of the matrices in Exercise 6.
Answer:
(a) 1, 2, 3
(b) -/2. 0, 2
(c) -8
(d) 2
(e) 2
(1) -4, 3
8. Find bases for the eigenspaces of the matrices in Exercise 6.
9. Find the characteristic equations of the following matrices:
(a) 0 0
2 0
1 0
1 0
0 1 -2 0
0 0
0 1
(b)
10 -9
4 -2
0 -2 -7
1
Transcribed Image Text:6. Find the characteristic equations of the following matrices: (a) 4 0 1 -2 1 0 -2 0 1 (b) 3 0 -5 * -1 1 1 -2 (c) -2 -6 -2 1 19 5 -4 (d) -1 -1 3 -4 13 -1 50 1 1 1 0 -7 1 0 (e) (f) 5 6 2 0 -1 -8 1 0 -2 7. Find the eigenvalues of the matrices in Exercise 6. Answer: (a) 1, 2, 3 (b) -/2. 0, 2 (c) -8 (d) 2 (e) 2 (1) -4, 3 8. Find bases for the eigenspaces of the matrices in Exercise 6. 9. Find the characteristic equations of the following matrices: (a) 0 0 2 0 1 0 1 0 0 1 -2 0 0 0 0 1 (b) 10 -9 4 -2 0 -2 -7 1
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