Explicit eigenvalues and inverses of several Toeplitz matrices

• Autores: S. S. Cheng, W.-C. Yueh
• Localización: Anziam journal: The Australian & New Zealand industrial and applied mahtematics journal, ISSN 1446-1811, Vol. 48, Nº 1, 2006, págs. 73-98
• Idioma: inglés
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• Resumen

  • Based on the theory of difference equations, we derive necessary and sufficient conditions for the existence of eigenvalues and inverses of Toeplitz matrices with five different diagonals. In the course of derivations, we are also able to derive computational formulas for the eigenvalues, eigenvectors and inverses of these matrices. A number of explicit formulas are computed for illustration and verification.