Determine whether each of the following matrices is positive definite. If it is not, give a submatrix and determinant that demonstrates this. A₁ is not positive definite: 0 -1 1 1 A₁ = -1 1 1-2 1 -2 2 1 -1 1 A₂ 1 4 0 1 01 = A3 = 10 -1 032 -1 2 10 3 0 -1 -1 1 det -1 1 -2 = 0 1 -2 2 < Select an answer > < Select an answer > A2 is positive definite A2 is not positive definite: < Select an answer >
Determine whether each of the following matrices is positive definite. If it is not, give a submatrix and determinant that demonstrates this. A₁ is not positive definite: 0 -1 1 1 A₁ = -1 1 1-2 1 -2 2 1 -1 1 A₂ 1 4 0 1 01 = A3 = 10 -1 032 -1 2 10 3 0 -1 -1 1 det -1 1 -2 = 0 1 -2 2 < Select an answer > < Select an answer > A2 is positive definite A2 is not positive definite: < Select an answer >
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
Related questions
Question
![Determine whether each of the following matrices is positive definite. If it is
not, give a submatrix and determinant that demonstrates this.
A₁ is not positive definite:
0 -1 1 1
A₁ = -1 1 1-2
1
-2 2
1 -1 1
A₂ 1 4 0
1 01
=
A3 =
10 -1
032
-1 2
10
3
0 -1
-1 1
det -1 1 -2 = 0
1 -2 2
< Select an answer >
< Select an answer >
A2 is positive definite
A2 is not positive definite:
< Select an answer >](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F373110e7-e385-4127-adf5-b0ae0e197db9%2Fd61713ea-7582-41bb-81bc-8c1951605ddc%2F8fmge1_processed.png&w=3840&q=75)
Transcribed Image Text:Determine whether each of the following matrices is positive definite. If it is
not, give a submatrix and determinant that demonstrates this.
A₁ is not positive definite:
0 -1 1 1
A₁ = -1 1 1-2
1
-2 2
1 -1 1
A₂ 1 4 0
1 01
=
A3 =
10 -1
032
-1 2
10
3
0 -1
-1 1
det -1 1 -2 = 0
1 -2 2
< Select an answer >
< Select an answer >
A2 is positive definite
A2 is not positive definite:
< Select an answer >
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