Verified error bounds for eigenvalues of geometric multiplicity q and corresponding invariant subspaces
Verified error bounds for eigenvalues of geometric multiplicity q and corresponding invariant subspaces
复制标题
验证几何重数 q 特征值和相应不变子空间的误差界限
DOI:
10.1007/s11075-017-0332-y
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发表时间:
2018-02
影响因子:
2.1
通讯作者:
Gao Ruimei
中科院分区:
文献类型:
--
作者:
Li Zhe;Wan Baocheng;Gao Ruimei
In this paper, we generalize the algorithm described by Rump and Graillat to compute verified and narrow error bounds such that a slightly perturbed matrix is guaranteed to have an eigenvalue with geometric multiplicity q within computed error bounds. The corresponding invariant subspace can be directly obtained by our algorithm. Our verification method is based on border matrix technique. We demonstrate the performance of our algorithm for matrices of dimension up to hundreds with non-defective and defective eigenvalues.
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影响因子:
1.1
作者:
S. Rump
通讯作者:
S. Rump
DOI:
10.1016/j.tcs.2012.10.024
发表时间:
2013-04
期刊:
Theor. Comput. Sci.
影响因子:
--
作者:
C. Fassino;M. Torrente
通讯作者:
C. Fassino;M. Torrente
DOI:
10.2172/5047973
发表时间:
1980-08
期刊:
--
影响因子:
--
作者:
J. Dongarra
通讯作者:
J. Dongarra
影响因子:
3.7
作者:
R. Krawczyk
通讯作者:
R. Krawczyk
DOI:
--
发表时间:
1973-06
期刊:
--
影响因子:
--
作者:
G. Stewart
通讯作者:
G. Stewart