This article is cited in 2 papers

On the asymptotically exact estimates of preconditioners of the incomplete factorization type

I. A. Blatov

Samara State University

Abstract: The methods of incomplete block factorization for the model elliptic boundary value problem are considered. The filling-in dependent two-side asymptotically exact estimates of the precondition number are proved.

UDC: 519.61

Received: 24.03.1999
Revised: 16.06.1999

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