Preconditioning of block tridiagonal matrices
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2008-05
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Oberwolfach Preprints (OWP)
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Oberwolfach : Mathematisches Forschungsinstitut Oberwolfach
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Abstract
Preconditioning methods via approximate block factorization for block tridiagonal matrices are studied. Bounds for the resulting condition numbers are given, and two methods for the recursive construction of the approximate Schur complements are presented. Illustrations for elliptic problems are also given, including a study of sensitivity to jumps in the coefficients and of a suitably motidied Poincaré-Steklov operator on the continuous level.
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Keywords GND
Conference
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This document may be downloaded, read, stored and printed for your own use within the limits of § 53 UrhG but it may not be distributed via the internet or passed on to external parties.