云南高校图书馆联盟文献共享服务平台- APPROXIMATE

APPROXIMATE: 作品数：556被引量：745H指数：10; 导出分析报告; 相关领域：理学更多>>; 相关作者：阮宇肖国生李俊清吕佳杨维更多>>; 相关机构：吉林大学南京航空航天大学浙江大学合肥工业大学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划中国博士后科学基金国家高技术研究发展计划更多>>

Influencing Factors and Prediction of Carbon Trading Market Prices in China via Elliptical Factor Analysis: 《Journal of Systems Science & Complexity》2024年第6期2680-2696,共17页YAN Linlin CHEN Xiaolan YANG Yi HE Yong; supported by the National Social Science Fund of China under Grant No.21BTJ072。; In this paper,the authors take Hubei carbon trading market prices as a sample,and select 27 variables from five aspects:International carbon market prices,energy prices,the macroeconomic situation,exchange rate factor...; 关键词：Carbon trading market prices elliptical approximate factor model price influencing factors trading market prices prediction

Approximate Synchronization of Multi-Agent Systems over Finite Fields: 《Journal of Systems Science & Complexity》2024年第4期1561-1580,共20页YU Miao FENG Jun-e XIA Jianwei FU Shihua SHEN Hao; supported by the National Natural Science Foundation of China under Grant Nos.62373178,62273201,and 62103176;the Research Fundfor the Taishan Scholar Project of Shandong Province of China under Grant Nos.tstp20221103 and tstp20221103。; In this paper,the approximate synchronization of leader-follower multiagent systems(MASs) over finite fields is studied in regard to local and global synchronization.First,the approximately synchronous state set(ASSS)...; 关键词：Approximate synchronization finite field multiagent system semi-tensor product state feedback control

Sampled-Data Stabilization of a Class of Stochastic Nonlinear Markov Switching System with Indistinguishable Modes Based on the Approximate Discrete-Time Models: 《Journal of Systems Science & Complexity》2021年第3期843-859,共17页ZHANG Qianqian KANG Yu YU Peilong ZHU Jin LIU Chunhan LI Pengfei; supported by the National Key Research and Development Program of China under Grant Nos.2018AAA0100800 and 2018YFE0106800;the National Natural Science Foundation of China under Grant Nos.61725304 and 61673361;the Science and Technology Major Project of Anhui Province under Grant No.912198698036。; This paper investigates the stabilization issue for a class of sampled-data nonlinear Markov switching system with indistinguishable modes.In order to handle indistinguishable modes,the authors reconstruct the origina...; 关键词：Controller design Euler-Maruyama approximate discretization Markov switching system mode clustering

Control for a Class of Stochastic Mechanical Systems Based on the Discrete-Time Approximate Observer被引量：4: 《Journal of Systems Science & Complexity》2019年第2期526-541,共16页FU Xinxin KANG Yu LI Pengfei YU Peilong; supported in part by the National Natural Science Foundation of China under Grant Nos.61422307,61673361,and 61725304;the Scientific Research Staring Foundation for the Returned Overseas Chinese Scholars and Ministry of Education of China; This paper investigates the observer-based control problem of a class of stochastic mechanical systems. The system is modelled as a continuous-time It o stochastic differential equation with a discrete-time output. Eu...; 关键词：APPROXIMATE model DISCRETE-TIME OBSERVER EXPONENTIAL stability stochastic nonlinear system

Computing the Determinant of a Matrix with Polynomial Entries by Approximation: 《Journal of Systems Science & Complexity》2018年第2期508-526,共19页QIN Xiaolin SUN Zhi LENG Tuo FENG Yong; supported by China 973 Project under Grant No.2011CB302402;the National Natural Science Foundation of China under Grant Nos.61402537,11671377,91118001;China Postdoctoral Science Foundation funded project under Grant No.2012M521692; Computing the determinant of a matrix with the univariate and multivariate polynomial entries arises frequently in the scientific computing and engineering fields. This paper proposes an effective algorithm to compute...; 关键词：Approximate interpolation dimension reduction error controllable algorithm symbolicdeterminant Vandermonde systems.

Approximate Conditional Likelihood for Generalized Linear Models with General Missing Data Mechanism被引量：7: 《Journal of Systems Science & Complexity》2017年第1期139-153,共15页ZHAO Jiwei SHAO Jun; supported by the Chinese 111 Project B14019;the US National Science Foundation under Grant Nos.DMS-1305474 and DMS-1612873;the US National Institutes of Health Award UL1TR001412; The generalized linear model is an indispensable tool for analyzing non-Gaussian response data, with both canonical and non-canonical link functions comprehensively used. When missing values are present, many existing...; 关键词：Asymptotic normality generalized linear model IDENTIFIABILITY missing data mechanism non-canonical link function nonignorable missingness.

OBTAINING EXACT INTERPOLATION MULTIVARIATE POLYNOMIAL BY APPROXIMATION: 《Journal of Systems Science & Complexity》2011年第4期803-815,共13页Yong FENG Xiaolin QIN Jingzhong ZHANG Xun YUAN; supported by China 973 Frogram 2011CB302402;the Knowledge Innovation Program of the Chinese Academy of Sciences(KJCX2-YW-S02);the National Natural Science Foundation of China(10771205);the West Light Foundation of the Chinese Academy of Sciences; In some fields such as Mathematics Mechanization, automated reasoning and Trustworthy Computing, etc., exact results are needed. Symbolic computations are used to obtain the exact results. Symbolic computations are of...; 关键词：Continued fraction multivariate interpolation numerical approximate computation symbolic-numerical computation Vandermonde determinant.

A ROBUST SQP METHOD BASED ON A SMOOTHING APPROXIMATE PENALTY FUNCTION FOR INEQUALITY CONSTRAINED OPTIMIZATION被引量：1: 《Journal of Systems Science & Complexity》2002年第1期102-112,共11页ZHANGJuliang ZHANGXiangsun; This research is supportedin part by the National Natural Science Foundation ofChina(Grant No. 39830070).; A robust SQP method, which is analogous to Facchinei’s algorithm, is introduced. The algorithm is globally convergent. It uses automatic rules for choosing penalty parameter, and can efficiently cope with the possibl...; 关键词：SQP method global convergence inequality constrained optimization approximate differentiable exact penalty regularity condition.

THE ESTIMATE AND TEST IN THE SYMMETRICAUXILIARY INFORMATION: 《Systems Science and Mathematical Sciences》1998年第2期117-124,共8页CUI Hengjian YUAN Xiujiu(Department of Mathematics, Beijing Normal University, Beijing 100875, China); This paper gives an estimate of a symmetric population distribution function Fand a modified K. Pearson statistic in the symmetric auxiliary information. Asymptoticalproperties show that they dominate the usual statis...; 关键词：Empirical LIKELIHOOD K. Pearson statistic APPROXIMATE Bahadur SLOPE powerfunction.

METHODS FOR IMPROVING APPROXIMATE ACCURACY FOR HYPERBOLIC INTEGRODIFFERENTIAL EQUATIONS被引量：1: 《Systems Science and Mathematical Sciences》1997年第3期282-288,共7页LIN Qun ZHANG Shuhua YAN Ningning(Institute of Systems Science, Academia Sinica, Beijing 100080, China); In this paper we study the higher accuracy methods-the extrapolation and defect correction for the semidiscrete Galerkin approximations to the solutions of hyperbolicintegrodifferential equations. The global extrapola...; 关键词：Integrodifferential EQUATIONS EXTRAPOLATION DEFECT correction.

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