A short note on singular values of optimal and superoptimal preconditioned matrices
A short note on singular values of optimal and superoptimal preconditioned matrices
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DOI:
10.1080/00207160701356530
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发表时间:
2007-08
影响因子:
1.8
通讯作者:
X. Jin;Yimin Wei
中科院分区:
文献类型:
--
作者:
X. Jin;Yimin Wei
In this short note, we prove that given any nonsingular matrix, the singular values of the superoptimal preconditioned matrix do not exceed the corresponding singular values of the optimal preconditioned matrix.