Optimal preconditioners for systems defined by functions of Toeplitz matrices
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DOI: 10.1016/j.laa.2018.03.003
Abstract: Abstract We propose several circulant preconditioners for systems defined by some functions g of Toeplitz matrices A n . In this paper we are interested in solving g ( A n ) x = b… read more here.
Keywords: functions toeplitz; toeplitz matrices; defined functions; preconditioners systems ... See more keywords