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Istituto di Scienza e Tecnologie dell'Informazione     
Bini D., Favati P. On a matrix algebra related to the discrete hartley transform. In: Siam Journal on Matrix Analysis and Applications, vol. 14 (2) pp. 500 - 507. SIAM, 1993.
 
 
Abstract
(English)
A new matrix algebra H, including the set of real symmetric circulant matrices, is introduced. It is proved that all the matrices of H can be simultaneously diagonalized by the similarity transformation associated to the discrete Hartley transform. An application of this result to the solution of Toeplitz systems by means of the preconditioned conjugate gradient method is presented.
Subject Hartley transform
Toeplitz matrix
circulant matrix
preconditioned conjugate
65F10
65F15


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