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检索条件"主题词=block-pulse functions"
86 条 记 录,以下是1-10 订阅
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A collocation method via block-pulse functions for solving delay fractional optimal control problems
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IMA JOURNAL OF MATHEMATICAL CONTROL AND INFORMATION 2017年 第4期34卷 1215-1237页
作者: Hosseinpour, Soleiman Nazemi, Alireza Shahrood Univ Technol Sch Math Sci Dept Math POB ***-316 Shahrood Iran
A collocation scheme is applied to give an approximate solution of the fractional optimal control problems with delays in state and control. The operational matrix of fractional Riemann-Liouville integration, delay op... 详细信息
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Numerical solution of linear Fredholm integral equation by using hybrid Taylor and block-pulse functions
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APPLIED MATHEMATICS AND COMPUTATION 2004年 第3期149卷 799-806页
作者: Maleknejad, K Mahmoudi, Y Iran Univ Sci & Technol Sch Math Tehran Iran Islamic Azad Univ Tehran Tehran Iran
In this paper, we use a combination of Taylor and block-pulse functions on the interval [0,1], that is called Hybrid functions, to estimate the solution of a linear Fredholm integral equation of the second kind. We co... 详细信息
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ROBUST IDENTIFICATION OF SYSTEMS USING block-pulse functions
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IEE PROCEEDINGS-D CONTROL THEORY AND APPLICATIONS 1992年 第3期139卷 308-316页
作者: DAI, H SINHA, NK Department of Electrical and Computer Engineering McMaster University Hamilton Canada
A robust method is employed to identify the unknown parameters of both linear and bilinear systems. Using block-pulse functions, this method expands the system input and output utilising an approach that minimises a r... 详细信息
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Numerical research of nonlinear system of fractional Volterra-Fredholm integral-differential equations via block-pulse functions and error analysis
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JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS 2019年 345卷 159-167页
作者: Xie, Jiaquan Yi, Mingxu Taiyuan Univ Sci & Technol Coll Mech Engn Taiyuan 030024 Shanxi Peoples R China Beihang Univ Sch Aeronaut Sci & Technol Beijing 100191 Peoples R China
In this study, a numerical scheme for approximating the solutions of nonlinear system of fractional-order Volterra-Fredholm integral-differential equations (VFIDEs) has been proposed. This method is based on the ortho... 详细信息
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Solution of Volterra's population model via block-pulse functions and Lagrange-interpolating polynomials
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MATHEMATICAL METHODS IN THE APPLIED SCIENCES 2009年 第2期32卷 127-134页
作者: Marzban, H. R. Hoseini, S. M. Razzaghi, M. Mississippi State Univ Dept Math & Stat Mississippi State MS 39762 USA Amirkabir Univ Dept Appl Math Tehran Iran Isfahan Univ Technol Dept Math Esfahan Iran
A numerical method for solving Volterra's Population model for population growth of a species in a closed system is proposed. Volterra's model is a nonlinear integro-differential equation where the integral te... 详细信息
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Numerical solutions of optimal control for time delay systems by hybrid of block-pulse functions and Legendre polynomials
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APPLIED MATHEMATICS AND COMPUTATION 2007年 第2期184卷 849-856页
作者: Wang, Xing Tao Harbin Inst Technol Dept Math Harbin 150001 Peoples R China
Using the operational properties of general block-pulse functions and Legendre polynomials, the linear inverse time systems are transformed into a system of algebraic equations. The numerical solutions of the systems ... 详细信息
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Applying the modified block-pulse functions to solve the three-dimensional Volterra-Fredholm integral equations
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APPLIED MATHEMATICS AND COMPUTATION 2015年 265卷 759-767页
作者: Mirzaee, Farshid Hadadiyan, Elham Malayer Univ Fac Math Sci & Stat Malayer Iran
The main aim of this work is to give further studies for the multi-dimensional integral equations. In this work, we solve special types of the three-dimensional Volterra-Fredholm linear integral equations of the secon... 详细信息
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Hybrid Fourier and block-pulse functions for applications in the calculus of variations
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INTERNATIONAL JOURNAL OF COMPUTER MATHEMATICS 2006年 第8-9期83卷 695-702页
作者: Ghasemi, M. Babolian, E. Tavssoli Kajani, M. Teacher Training Univ Fac Math Sci & Comp Engn Tehran Iran Shahrekord Univ Dept Math Shahrekord Iran Islamic Azad Univ Dept Math Khorasgan Isfahan Iran
If we divide the interval [0, 1] into N sub-intervals, then hybrid Fourier and block-pulse functions on each sub-interval can approximate any function. This ability helps us to have more accurate approximations of pie... 详细信息
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Static output tracking control for non-linear polynomial time-delay systems via block-pulse functions
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JOURNAL OF THE CHINESE INSTITUTE OF ENGINEERS 2018年 第3期41卷 194-205页
作者: Warrad, Bassem Iben Bouafoura, Mohamed Karim Braiek, Naceur Benhadj Univ Carthage Polytech High Sch Tunisia Lab Adv Syst Tunis Tunisia
In this paper, a new method is introduced to design static output tracking controllers for a class of nonlinear polynomial time-delay *** proposed technique is based on the projection of the controlled system and the ... 详细信息
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Numerical solution for three-dimensional nonlinear mixed Volterra-Fredholm integral equations via three-dimensional block-pulse functions
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APPLIED MATHEMATICS AND COMPUTATION 2014年 237卷 168-175页
作者: Mirzaee, Farshid Hadadiyan, Elham Bimesl, Saeed Malayer Univ Fac Sci Dept Math Malayer Iran
We are concerned here with a three-dimensional nonlinear mixed Volterra-Fredholm integral equations of the second kind which include many key integral that appear in the theory of nonlinear parabolic boundary value pr... 详细信息
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