Suppose that an n× n matrix A has a QR-decomposition where 1 -2 0 0 R = 0 1_1 0 -2 What is the determinant of A²?
Suppose that an n× n matrix A has a QR-decomposition where 1 -2 0 0 R = 0 1_1 0 -2 What is the determinant of A²?
Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter4: Eigenvalues And Eigenvectors
Section4.2: Determinants
Problem 20EQ
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![Suppose that an n× n matrix A has a QR-decomposition where
1
-2
0
0
R =
0
1_1
0 -2
What is the determinant of A²?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe60e14a8-856f-447c-ac90-795ae43e00b4%2F032791e8-b4c1-4743-b6ce-ee544f3af53a%2Fdmjtnfq_processed.png&w=3840&q=75)
Transcribed Image Text:Suppose that an n× n matrix A has a QR-decomposition where
1
-2
0
0
R =
0
1_1
0 -2
What is the determinant of A²?
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