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检索条件"主题词=Block-pulse functions"
86 条 记 录,以下是31-40 订阅
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A Hybrid Approach of Nonlinear Partial Mixed Integro-Differential Equations of Fractional Order
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IRANIAN JOURNAL OF SCIENCE AND TECHNOLOGY TRANSACTION A-SCIENCE 2020年 第3期44卷 725-737页
作者: Mirzaee, Farshid Alipour, Sahar Malayer Univ Fac Math Sci & Stat POB 65719-95863 Malayer Iran
In this paper, we use hybrid parabolic and block-pulse functions (2D-PBPFs) to provide an approximate solution of nonlinear partial mixed Volterra-Fredholm integro-differential equations of fractional order. To reach ... 详细信息
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Direct methods for solving time-varying delay systems
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MATHEMATICAL SCIENCES 2020年 第2期14卷 159-166页
作者: Zeynal, Elham Babolian, Esmail Damercheli, Tayebeh Islamic Azad Univ Yadegar E Emam Khomeyni RAH Shahr E Rey Branch Coll Sci Dept Math Tehran Iran Kharazmi Univ Fac Math Sci & Comp Tehran Iran
Direct methods are applied to solve linear time-varying delay systems based on vector forms of block-pulse functions (BPFs) and triangular functions (TFs). Operational matrices of integration of BPFs and TFs are appli... 详细信息
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Numerical solution of strongly nonlinear full fractional duffing equation
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JOURNAL OF INTERDISCIPLINARY MATHEMATICS 2020年 第8期23卷 1531-1551页
作者: Pirmohabbati, P. Sheikhani, A. H. Refahi Najafi, H. Saberi Ziabari, A. Abdolahzadeh Islamic Azad Univ Lahijan Blanch Fac Math Sci Dept Appl Math Lahijan Iran Islamic Azad Univ Lahijan Branch Fac Sci Dept Phys Lahijan Iran
In this work, based on the operational matrix of fractional order integration, we present an approach for the numerical solution of strongly nonlinear full fractional Duffing equation. For this goal, with respect to t... 详细信息
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Numerical Solution of Nonlinear Fractional Bratu Equation with Hybrid Method
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International Journal of Applied and Computational Mathematics 2020年 第6期6卷 1-22页
作者: Pirmohabbati, P. Sheikhani, A. H. Refahi Ziabari, A. Abdolahzadeh Department of Applied Mathematics Faculty of Mathematical Sciences Lahijan Branch Islamic Azad University Lahijan Iran Department of Physics Faculty of Science Lahijan Branch Islamic Azad University Lahijan Iran
This work, we studied the Bratu differential equation of the fractional-order, numerically via introducing a hybrid method. This method is a combination of the Chebyshev polynomials and the block-pulse wavelets matrix... 详细信息
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Corrigenda to “Numerical solution of Fredholm fuzzy integral equations of the second kind using...” [Ain Shams Eng. J. 5 (2014) 631–636]
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Ain Shams Engineering Journal 2021年 第2期12卷 2395-2399页
作者: Mehdi Sabzevari Department of Applied Mathematics Faculty of Mathematical Sciences University of Kashan Kashan Iran
This is a review on certain major scientific errors in the paper (Mirzaee, 2014). Beginning with a review of these errors, attempts are made to correct them by presenting an accurate approach and proposing relevant fo... 详细信息
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A review on "Numerical solution of nonlinear Volterra-Fredholm integral equations using hybrid of . . ." [Alexandria Eng. J. 52 (2013) 551-555]
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ALEXANDRIA ENGINEERING JOURNAL 2019年 第3期58卷 1099-1102页
作者: Sabzevari, Mehdi Univ Kashan Dept Appl Math Fac Math Sci Kashan Iran
This is a review on the published paper (Mirzaee and Hoseini, 2013), where there are some major scientific errors. After considering these errors, we attempt to correct them by presenting an accurate formula. In addit... 详细信息
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New sinusoidal basis functions and a neural network approach to solve nonlinear Volterra-Fredholm integral equations
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NEURAL COMPUTING & APPLICATIONS 2019年 第9期31卷 4865-4878页
作者: Tomasiello, Stefania Macias-Diaz, Jorge E. Khastan, Alireza Alijani, Zahra Univ Salerno Consorzio Ric Sistemi ad Agenti CORISA Fisciano SA Italy Univ Autonoma Aguascalientes Dept Matemat & Fis Aguascalientes Mexico Inst Basic Sci Inst Adv Studies Dept Math Zanjan Iran Univ Tartu Dept Math & Stat Tartu Estonia
In this paper, we present and investigate the analytical properties of a new set of orthogonal basis functions derived from the block-pulse functions. Also, we present a numerical method based on this new class of fun... 详细信息
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Numerical solution of fractional Mathieu equations by using block-pulse wavelets
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Journal of Ocean Engineering and Science 2019年 第4期4卷 299-307页
作者: P.Pirmohabbati A.H.Refahi Sheikhani H.Saberi Najafi A.Abdolahzadeh Ziabari Department of Applied Mathematics Faculty of Mathematical SciencesLahijan BranchIslamic Azad UniversityLahijanIran Department of physics Faculty of ScienceLahidjan BranchIslamic Azad UniversityLahidjanIran
In this paper,we introduce a method based on operational matrix of fractional order integration for the numerical solution of fractional Mathieu equation and then apply it in a number of *** this,we use the block-puls... 详细信息
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Approximate solutions for mixed nonlinear Volterra-Fredholm type integral equations via modified block-pulse functions
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Journal of the Association of Arab Universities for Basic and Applied Sciences 2012年 第1期12卷 65-73页
作者: Mirzaee, Farshid Hadadiyan, Elham Department of Mathematics Faculty of Science Malayer University Malayer 65719-95863 Iran
In this article a robust approach for solving mixed nonlinear Volterra-Fredholm type integral equations of the first kind is investigated. By using the modified two-dimensional block-pulse functions (M2D-BFs) and thei... 详细信息
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Robust Least Squares Approach for Tracking Control Synthesis of Unstructured Uncertain Bilinear Systems  6
Robust Least Squares Approach for Tracking Control Synthesis...
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6th International Conference on Control, Decision and Information Technologies (CoDIT)
作者: Warrad, Bassem Iben Bouafoura, Mohamed Karim Braiek, Naceur Benhadj Univ Carthage Lab Adv Syst Polytech High Sch Tunisia BP 743 La Marsa 2078 Tunisia
This paper investigates the problem of robust tracking control for unstructured uncertain bilinear system. The control objective is not simply to drive the state to zero but rather that output to track a non zero refe... 详细信息
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