Give an example of a 3 x 3 matrix with eigenvalues of 2, 2, and -3 that is NOT diagonalizable. Show WHY it is not diagonalizable.
Give an example of a 3 x 3 matrix with eigenvalues of 2, 2, and -3 that is NOT diagonalizable. Show WHY it is not diagonalizable.
Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter4: Eigenvalues And Eigenvectors
Section: Chapter Questions
Problem 12RQ
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Step 1
Consider the matrix
Since the given matrix is in upper triangular form , so the eigen values are nothing but its diagonal elements.
The eigen values of are . The algebraic multiplicity of eigen value is
The eigen vector of the matrix corresponding to eigen value is a non-zero solution such that
where is the identity matrix.
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