A formula for the distance of a Toeplitz matrix to the subspace of {e(i phi)}-circulant matrices is presented, and applications of {e(i phi)}-circulant matrices to preconditioning of linear systems of equations with a Toeplitz matrix are discussed. Copyright (C) 2010 John Wiley & Sons, Ltd.

The structured distance to normality of Toeplitz matrices with application to preconditioning / Noschese, Silvia; Lothar, Reichel. - In: NUMERICAL LINEAR ALGEBRA WITH APPLICATIONS. - ISSN 1070-5325. - STAMPA. - 18:3(2011), pp. 429-447. [10.1002/nla.735]

The structured distance to normality of Toeplitz matrices with application to preconditioning

NOSCHESE, Silvia;
2011

Abstract

A formula for the distance of a Toeplitz matrix to the subspace of {e(i phi)}-circulant matrices is presented, and applications of {e(i phi)}-circulant matrices to preconditioning of linear systems of equations with a Toeplitz matrix are discussed. Copyright (C) 2010 John Wiley & Sons, Ltd.
2011
circulant matrix; distance to normality; matrix nearness problem; preconditioning; toeplitz matrix; {e(i phi)}-circulant; {eiφ{symbol}}-circulant
01 Pubblicazione su rivista::01a Articolo in rivista
The structured distance to normality of Toeplitz matrices with application to preconditioning / Noschese, Silvia; Lothar, Reichel. - In: NUMERICAL LINEAR ALGEBRA WITH APPLICATIONS. - ISSN 1070-5325. - STAMPA. - 18:3(2011), pp. 429-447. [10.1002/nla.735]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/104449
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