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有关矩阵协相似性的某些问题
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作者 宋迎春 《哈尔滨理工大学学报》 CAS 1998年第4期103-106,共4页
对有关协相似问题尚未证明的某些结论给出了证明,阐述了协相似性的理论背景、矩阵可对角化与可协对角化的关系、AA的特征值与A的协特征值的关系,同时对相关的问题进行了分析和总结,为工程应用提供了理论依据.
关键词 相似 对角化 协特征值 特征向量 矩阵
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A POSTERIORI ERROR ANALYSIS OF NONCONFORMING METHODS FOR THE EIGENVALUE PROBLEM 被引量:2
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作者 Youai LiCollege of Computer and Information Engineering, Beijing Technology and Business University, Beijing100048,China. 《Journal of Systems Science & Complexity》 SCIE EI CSCD 2009年第3期495-502,共8页
This paper extends the unifying theory for a posteriori error analysis of the nonconformingfinite element methods to the second order elliptic eigenvalue problem.In particular,the authorproposes the a posteriori error... This paper extends the unifying theory for a posteriori error analysis of the nonconformingfinite element methods to the second order elliptic eigenvalue problem.In particular,the authorproposes the a posteriori error estimator for nonconforming methods of the eigenvalue problems andprove its reliability and efficiency based on two assumptions concerning both the weak continuity andthe weak orthogonality of the nonconforming finite element spaces,respectively.In addition,the authorexamines these two assumptions for those nonconforming methods checked in literature for the Laplace,Stokes,and the linear elasticity problems. 展开更多
关键词 A posteriori error analysis eigenvalue problem nonconforming finite element.
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