Circulant preconditioners for analytic functions of Toeplitz matrices

<p>Circulant preconditioning for symmetric Toeplitz systems has been well developed over the past few decades. For a large class of such systems, descriptive bounds on convergence for the conjugate gradient method can be obtained. For (real) nonsymmetric Toeplitz systems, much work had been f...

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Príomhchruthaitheoirí: Hon, S, Wathen, A
Formáid: Journal article
Foilsithe / Cruthaithe: Springer US 2018