(a) Use 4 iterations of the power method to calculate an estimate of the maximal mag- nitude eigenvalue of A and an estimate of the corresponding eigenvector. Start with (1,1,1) as the initial estimate of the eigenvector. Given that the the inverse of matrix A is A-¹. 1 144 16 6 10 8 12 -4 6 -9 33 (b) Use this matrix to perform 3 iterations of the power method to calculate an estimate of the minimal magnitude eigenvalue of A and an estimate of the corresponding eigenvector. Start with (1,1,1) as the initial estimate of the eigenvector.

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter4: Eigenvalues And Eigenvectors
Section4.5: Iterative Methods For Computing Eigenvalues
Problem 15EQ
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Consider the matrix
A
KONDE
20
-16
-8
A-1
HELEN
In this question work to 4 decimal places throughout and give your final answer to 3 decimal
places.
-
(a) Use 4 iterations of the power method to calculate an estimate of the maximal mag-
nitude eigenvalue of A and an estimate of the corresponding eigenvector. Start with
(1,1,1) as the initial estimate of the eigenvector.
Given that the the inverse of matrix A is
-16 -8
26
8
10
8
1
144
16
8
6
6
10
12-4
-9 33
(b) Use this matrix to perform 3 iterations of the power method to calculate an estimate of
the minimal magnitude eigenvalue of A and an estimate of the corresponding
eigenvector. Start with (1,1,1) as the initial estimate of the eigenvector.
Transcribed Image Text:Consider the matrix A KONDE 20 -16 -8 A-1 HELEN In this question work to 4 decimal places throughout and give your final answer to 3 decimal places. - (a) Use 4 iterations of the power method to calculate an estimate of the maximal mag- nitude eigenvalue of A and an estimate of the corresponding eigenvector. Start with (1,1,1) as the initial estimate of the eigenvector. Given that the the inverse of matrix A is -16 -8 26 8 10 8 1 144 16 8 6 6 10 12-4 -9 33 (b) Use this matrix to perform 3 iterations of the power method to calculate an estimate of the minimal magnitude eigenvalue of A and an estimate of the corresponding eigenvector. Start with (1,1,1) as the initial estimate of the eigenvector.
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