A = 1 1 10 Го 0 1 0 1 0 Consider an Nx N matrix A with N orthonormal eigenvectors x such that Ax' = A₁x¹, where the X, is the eigenvalue corresponding to eigenvector x'. It can be shown that such a matrix A has an expansion of the form: A=A₁|x¹)(x¹=EA;x²(x¹). i) Show that if the eigenvalues are real then A, as defined through the above expansion, is Hermitian. ii) Using the result for A show that the Nx N identity matrix can be written as
A = 1 1 10 Го 0 1 0 1 0 Consider an Nx N matrix A with N orthonormal eigenvectors x such that Ax' = A₁x¹, where the X, is the eigenvalue corresponding to eigenvector x'. It can be shown that such a matrix A has an expansion of the form: A=A₁|x¹)(x¹=EA;x²(x¹). i) Show that if the eigenvalues are real then A, as defined through the above expansion, is Hermitian. ii) Using the result for A show that the Nx N identity matrix can be written as
Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter4: Eigenvalues And Eigenvectors
Section4.1: Introduction To Eigenvalues And Eigenvectors
Problem 35EQ
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Just do part III & iv
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