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On the choice of preconditioner for minimum residual methods for non-Hermitian matrices

โœ Scribed by Pestana, Jennifer; Wathen, Andrew J.


Book ID
125468915
Publisher
Elsevier Science
Year
2013
Tongue
English
Weight
549 KB
Volume
249
Category
Article
ISSN
0377-0427

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We give a minimum principle for Sehur complements of positive definite Herrnitian matrices. Further, we obtain some inequalities for the eigenvalues of Schur complements of products and sums of positive definite Hermitian matrices.