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On stability of switched linear systems with perturbed switching paths 被引量:2
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作者 Zhendong SUN Shuzhi S. GE 《控制理论与应用(英文版)》 EI 2006年第1期18-25,共8页
This paper addresses the stability issue of switched linear systems with perturbed switching paths. First, by introducing the notions of child-path and parent-path, we are able to define the distance between two switc... This paper addresses the stability issue of switched linear systems with perturbed switching paths. First, by introducing the notions of child-path and parent-path, we are able to define the distance between two switching paths by means of their switching matrices chains. Next, we present the nice properties of the defined distance. Then, a stability criterion is presented for a class of switched linear systems with perturbed switching paths. Finally, an illustrative example is presented to verify the effectiveness of the approach. 展开更多
关键词 Switched systems Switching path consistent convergency Switching distance
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NON-PARAMETRIC ESTIMATION IN CONTAMINATED LINEAR MODEL 被引量:1
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作者 Chai Genxiang Sun Yan Yang XiaohanDept.ofAppl.Math.,TongjiUniv.,Shanghai200092 《Applied Mathematics(A Journal of Chinese Universities)》 SCIE CSCD 2001年第2期195-202,共8页
In this paper, the following contaminated linear model is considered:y i=(1-ε)x τ iβ+z i, 1≤i≤n,where r.v.'s { y i } are contaminated with errors { z i }. To assume that the errors have the fin... In this paper, the following contaminated linear model is considered:y i=(1-ε)x τ iβ+z i, 1≤i≤n,where r.v.'s { y i } are contaminated with errors { z i }. To assume that the errors have the finite moment of order 2 only. The non parametric estimation of contaminated coefficient ε and regression parameter β are established, and the strong consistency and convergence rate almost surely of the estimators are obtained. A simulated example is also given to show the visual performance of the estimations. 展开更多
关键词 Contaminated data non parametric estimation strong consistency convergence rate almost surely.
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Convergence rates of MLE in a partly linear model
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作者 薛宏旗 《Science China Mathematics》 SCIE 2002年第11期1398-1407,共10页
This paper considers the estimation for a partly linear model with case 1 interval censored data.We assume that the error distribution belongs to a known family of scale distributions with an unknown scaleparameter. T... This paper considers the estimation for a partly linear model with case 1 interval censored data.We assume that the error distribution belongs to a known family of scale distributions with an unknown scaleparameter. The sieve maximum likelihood estimator (MLE) for the model's parameter is shown to be stronglyconsistent, and the convergence rate of the estimator is obtained and discussed. 展开更多
关键词 partly linear model case 1 INTERVAL censored data SIEVE MLE STRONG consistency convergence rate.
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Isogeometric Least-Squares Collocation Method with Consistency and Convergence Analysis
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作者 LIN Hongwei XIONG Yunyang +2 位作者 WANG Xiao HU Qianqian REN Jingwen 《Journal of Systems Science & Complexity》 SCIE EI CSCD 2020年第5期1656-1693,共38页
This paper presents the isogeometric least-squares collocatio method,which determines the numerical solution by making the approximate differential operator fit the real differential operator in a least-squares sense.... This paper presents the isogeometric least-squares collocatio method,which determines the numerical solution by making the approximate differential operator fit the real differential operator in a least-squares sense.The number of collocation points employed in IGA-L can be larger than that of the unknowns.Theoretical analysis and numerical examples presented in this paper show the superiority of IGA-L over state-of-the-art collocation methods.First,a small increase in the number of collocation points in IGA-L leads to a large improvement in the accuracy of its numerical solution.Second,IGA-L method is more flexible and more stable,because the number of collocation points in IGA-L is variable.Third,IGA-L is convergent in some cases of singular parameterization.Moreover,the consistency and convergence analysis are also developed in this paper. 展开更多
关键词 Collocation method consistency and convergence least-squares fitting isogeometric analysis NURBS
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