云南高校图书馆联盟文献共享服务平台- APPROXIMANTS

APPROXIMANTS: 作品数：22被引量：4H指数：1; 导出分析报告; 相关领域：理学更多>>; 相关机构：浙江大学更多>>; 相关期刊：《Computer Modeling in Engineering & Sciences》《Advances in Linear Algebra & Matrix Theory》《Communications in Theoretical Physics》《Chinese Physics B》更多>>; 相关基金：国家自然科学基金上海市教育委员会重点学科基金中国博士后科学基金国家重点基础研究发展计划更多>>

Evolutionary Safe Padé Approximation Scheme for Dynamical Study of Nonlinear Cervical Human Papilloma Virus Infection Model: 《Computer Modeling in Engineering & Sciences》2024年第9期2275-2296,共22页Javaid Ali Armando Ciancio Kashif Ali Khan Nauman Raza Haci Mehmet Baskonus Muhammad Luqman Zafar-Ullah Khan; This study proposes a structure-preserving evolutionary framework to find a semi-analytical approximate solution for a nonlinear cervical cancer epidemic(CCE)model.The underlying CCE model lacks a closed-form exact so...; 关键词：Nonlinear cervical cancer epidemic non-singular Padéapproximants approximate solutions computational biology

Power Flow Analytical Solutions and Multi-dimensional Voltage Stability Boundaries Based on Multivariate Quotient-difference Method: 《CSEE Journal of Power and Energy Systems》2024年第3期1168-1178,共11页Chengxi Liu Qiupin Lai; supported by the National Natural Science Foundation of China under Project 52007133 and U22B20100。; This paper proposes a novel Multivariate Quotient-Difference(MQD)method to obtain the approximate analytical solution for AC power flow equations.Therefore,in the online environment,the power flow solutions covering d...; 关键词：Analytical power flow solution multivariate power series multivariate Padéapproximants multivariate quotient-difference multi-dimensional voltage stability boundary

General Optimal Polynomial Approximants,Stabilization,and Projections of Unity: 《Analysis in Theory and Applications》2023年第4期309-329,共21页Christopher Felder; In various Hilbert spaces of analytic functions on the unit disk,we charac-terize when a function has optimal polynomial approximants given by truncations of a single power series or,equivalently,when the approximants...; 关键词：Optimal polynomial approximants inner functions

High precision solutions to quantized vortices within Gross-Pitaevskii equation: 《Communications in Theoretical Physics》2022年第9期23-32,共10页Hao-Hao Peng Jian Deng Sen-Yue Lou Qun Wang; The dynamics of vortices in Bose-Einstein condensates of dilute cold atoms can be well formulated by Gross-Pitaevskii equation.To better understand the properties of vortices,a systematic method to solve the nonlinear...; 关键词：quantum vortex Gross-Pitaevskii equation two-point Padéapproximants

High-order phase-field model with the local and second-order max-entropy approximants: 《Frontiers of Structural and Civil Engineering》2019年第2期406-416,共11页Fatemeh AMIRI; We approximate the fracture surface energy functional based on phase-field method with smooth local maximum entropy (LME) and second-order maximum entropy (SME) approximants. The higher-order continuity of the meshfre...; 关键词：SECOND-ORDER MAXIMUM ENTROPY LOCAL MAXIMUM ENTROPY second-and fourth-order PHASE-FIELD models B-spline

Dodecagonal bilayer graphene quasicrystal and its approximants被引量：1: 《npj Computational Materials》2019年第1期73-82,共10页Guodong Yu Zewen Wu Zhen Zhan Mikhail I.Katsnelson Shengjun Yuan; This work is supported by the National Key R&D Program of China(Grant No.2018FYA0305800);China Postdoctoral Science Foundation(Grant No.2018M632902);MIK acknowledges a support by the JTC-FLAGERA Project GRANSPORT.; Dodecagonal bilayer graphene quasicrystal has 12-fold rotational order but lacks translational symmetry which prevents the application of band theory.In this paper,we study the electronic and optical properties of gra...; 关键词：theory. LAYERED PERIODIC

Higher-Order Corrections for the Deflection of Light around a Massive Object. Diagonal PadéApproximants and Ray-Tracing Algorithms: 《International Journal of Astronomy and Astrophysics》2018年第1期121-141,共21页Carlos Rodriguez Carlos Marín; From the Schwarzschild metric we obtain the higher-order terms for the deflection of light around a massive object using the Lindstedt-Poincaré method to solve the equation of motion of a photon around the stellar ob...; 关键词：LIGHT DEFLECTION BLACK Hole Padé

Design of Non-rational MIMO Feedback Systems with Inputs and Outputs Satisfying Certain Bounding Conditions by Using Rational Approximants: 《International Journal of Automation and computing》2017年第3期360-370,共11页Suchin Arunsawatwong Tadchanon Chuman; financial support from the honour program of the Department of Electrical Engineering,Faculty of Engineering,Chulalongkorn University; When a feedback system has components described by non-rational transfer functions, a standard practice in designing such a system is to replace the non-rational functions with rational approximants and then carry out...; 关键词：Control design multi-input multi-output （MIMO） feedback systems non-rational systems rational approximants principle of matching method of inequalities

Analytical Solution for the Time-Dependent Emden-Fowler Type of Equations by Homotopy Analysis Method with Genetic Algorithm: 《Applied Mathematics》2017年第5期693-711,共19页Waleed Al-Hayani Laheeb Alzubaidy Ahmed Entesar; In this paper, Homotopy Analysis method with Genetic Algorithm is presented and used to obtain an analytical solution for the time-dependent Emden-Fowler type of equations and wave-type equation with singular behavior...; 关键词：HOMOTOPY Analysis Method Genetic Algorithm EMDEN-FOWLER EQUATION Wave-Type EQUATION Adomian Polynomials Noise Terms Padé APPROXIMANTS SIMPSON Rule

A Note on Pad Approximants Pairs as Limits of Algebraic Polynomials Pairs of Weighted Best Approximation in Orlicz Spaces: 《Analysis in Theory and Applications》2015年第3期253-259,共7页F.E.Levis; In this short note, we show the behavior in Orlicz spaces of best approximations by algebraic polynomials pairs on union of neighborhoods, when the measure of them tends to zero.; 关键词：Best approximation pair Pad′e approximant pair Orlicz spaces.

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