PSEUDOSPECTRA

作品数：3被引量：1H指数：1
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相关领域：理学更多>>
相关作者：王正盛更多>>
相关机构：南京航空航天大学更多>>
相关期刊：《高等学校计算数学学报》《Journal of Mathematical Study》《Tsinghua Science and Technology》更多>>
相关基金：国家自然科学基金更多>>
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Numerical Approaches to Compute Spectra of Non-Self Adjoint Operators and Quadratic Pencils
《Journal of Mathematical Study》2020年第1期12-44,共33页Fatima Aboud Francois Jauberteau Guy Moebs Didier Robert 
supported by the research project DefiMaths of the Federation de Mathematiques des Pays de la Loire,CNRS FR 2962;supported by the CIMPA(International Center of Pure ans Applied Mathematics);Computations are done thanks to the computer of the CCIPL(Centre de Calcul Intensif des Pays de la Loire).
In this article we are interested in the numerical computation of spectra of non-self adjoint quadratic operators.This leads to solve nonlinear eigenvalue problems.We begin with a review of theoretical results for the...
关键词：Nonlinear eigenvalue problems SPECTRA PSEUDOSPECTRA finite difference methods Galerkin spectral method Hermite functions. 
伪谱计算的降维迭代算法（英文）被引量：1
《高等学校计算数学学报》2019年第1期1-14,共14页左钱 王正盛 何颖 
supported by the National Natural Science Foundation of China under grant No.11571171 and No.61473148~~
The pseudospectra is a helpful tool to analyze the behavior of systems involved with non-normal matrices or linear operators. In this paper, we present a new method to approximate the pseudospetra of large scale matri...
关键词：PSEUDOSPECTRA Induced DIMENSION Reduction SVD. 
Inhomogeneous Eigenvalue Problems
《Tsinghua Science and Technology》1998年第4期1260-1264,共5页刘颖 蔡大用 
In this paper, the inhomogeneous eigenvalue problems were studied:give A∈C n×n and b ∈C\+n(b≠0), determine a vector x with x Hx=1 and a scalar λ such that (A-λI)x=b.Here λ is called the inhomogeneous ei...
关键词：INHOMOGENEOUS EIGENVALUE PSEUDOSPECTRA 
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