Abstract

In this paper we present an eigenvalue decomposition for any real symmetric tridiagonal 2-Toeplitz matrix of odd order, where the eigenvector matrix is orthogonal. Using this decomposition we study the entries of continuous functions of large real symmetric tridiagonal 2-Toeplitz matrices. Furthermore, we also study in the present paper the entries of continuous functions of large Hermitian Toeplitz matrices with at most three non-zero diagonals.

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