Title of article
A note on spectra of optimal and superoptimal preconditioned matrices Original Research Article
Author/Authors
Che-Man Cheng، نويسنده , , Xiaoqing Jin، نويسنده , , Seak-Weng Vong، نويسنده , , Wei Wang، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2007
Pages
4
From page
482
To page
485
Abstract
In this short note, it is proved that given any positive definite Hermitian matrix, the eigenvalues of the superoptimal preconditioned matrix do not exceed the corresponding eigenvalues of the optimal preconditioned matrix.
Keywords
Preconditioned matrix , Superoptimal preconditioner , Spectrum , Optimal preconditioner
Journal title
Linear Algebra and its Applications
Serial Year
2007
Journal title
Linear Algebra and its Applications
Record number
825528
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