Assume that the largest eigenvalue λ1 in magnitude and an associated eigenvector v(1) have been obtained for

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Assume that the largest eigenvalue λ1 in magnitude and an associated eigenvector v(1) have been obtained for the n × n symmetric matrix A. Show that the matrix
Assume that the largest eigenvalue λ1 in magnitude and an

has the same eigenvalues λ2, . . . , λn as A, except that B has eigenvalue 0 with eigenvector v(1) instead of eigenvector λ1. Use this deflation method to find λ2 for each matrix in Exercise 5. Theoretically, this method can be continued to find more eigenvalues, but round-off error soon makes the effort worthless.
In exercise
a.

Assume that the largest eigenvalue λ1 in magnitude and an

Use x(0) = (1,ˆ’1, 2)t.
b.

Assume that the largest eigenvalue λ1 in magnitude and an

Use x(0) = (ˆ’1, 0, 1)t.
c.

Assume that the largest eigenvalue λ1 in magnitude and an

Use x(0) = (0, 1, 0)t.
d.

Assume that the largest eigenvalue λ1 in magnitude and an

Use x(0) = (0, 1, 0, 0)t.

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Numerical Analysis

ISBN: 978-0538733519

9th edition

Authors: Richard L. Burden, J. Douglas Faires

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