EIGENVECTOR

作品数:79被引量:90H指数:4
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相关领域:理学更多>>
相关作者:程时昕刘希玉杨维赵世佳林令娟更多>>
相关机构:密西西比大学东南大学天津师范大学山东师范大学更多>>
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相关基金:国家自然科学基金国家教育部博士点基金国家重点基础研究发展计划福建省自然科学基金更多>>
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  • 期刊=Acta Mathematicae Applicatae Sinicax
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DGMRES Method Augmented with Eigenvectors for Computing the Drazin-inverse Solution of Singular Linear Systems
《Acta Mathematicae Applicatae Sinica》2016年第2期549-558,共10页Bin MENG 
Supported by the National Natural Science Foundation of China(No.11171151);Natural Science Foundation of Jiangsu Province of China(No.BK2011720)
The DGMRES method for solving Drazin-inverse solution of singular linear systems is generally used with restarting. But the restarting often slows down the convergence and DGMRES often stagnates. We show that adding s...
关键词:Drazin-inverse DGMRES Krylov subspace iterative method EIGENVECTOR 
A VARIATION ON THE BLOCK ARNOLDIMETHOD FOR LARGE UNSYMMETRIC MATRIX EIGENPROBLEMS被引量:2
《Acta Mathematicae Applicatae Sinica》1998年第4期425-432,共8页贾仲孝 
The approximate eigenvectors or Ritz vectors obtained by the block Arnoldi method may converge very slowly and even fail to converge even if the approximate eigenvalues do. In order to improve the quality of the Ritz ...
关键词:Large unsymmetric block Arnoldi process block Arnoldi method Ritz value Ritz vector modified approximate eigenvector 
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