Computational Methods for Differential Equations
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ارسال های اخیر
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A ROBUST NUMERICAL METHOD TO FIND THE SOLUTIONS OF TIME-FRACTIONAL KLEIN-CORDON EQUATION
(University of Tabriz, 2025-03-01)Ara Awhant meriamrihod is poposed to approwince the a of time-fractional Klein-Gordon quation (TFKC) which based on the Lowenta The racted tod namely nady the fictitious tane zabegration metho (PTIM) omerte the undetermined ...
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On the dynamics of newly generated analytical solutions and conserved vectors of a generalized 3D KP-BBM equation
(University of Tabriz, 2025-03-01)This paper examines a high-dimensional non-linear partial differential equation called the generalized Kadomtsev-Petviashvili-Benjamin-Bona-Mahony (KP-BBM) equation exists in three dimensions. The Lie symmetry analysis of ...
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Dynamical systems in product Lukasiewicz semirings
(University of Tabriz, 2025-03-01)This paper studies dynamical systems in product Lukasiewicz semirings and we generalize the results of Markechovaand Riecan concerning the logical entropy. Also, the notion of logical entropy of a product Lukasiewicz ...
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Numerical solution of different population balance models using operational method based on Genocchi polynomials
(University of Tabriz, 2025-03-01)Genocchi polynomials have exciting properties in the approximation of functions. Their derivative and integral calculations are simpler than other polynomials and, in practice, they give better results with low degrees. ...
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Exploring high-frequency waves and soliton solutions of fluid turbulence through relaxation medium modeled by Vakhnenko-Parkes equation
(University of Tabriz, 2025-03-01)One of the most important natural phenomena that has been studied extensively in engineering, oceanography,meteorology, and other fields is called fluid turbulence (FT). FT stands for irregular flow of fluid. Scientists ...
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Multi-Step DTM simulation of Transesterification reactions model
(University of Tabriz, 2025-03-01)The multi-step differential transform method (DTM) adopted from the standard DTM is employed in this case study to solve a model of the transesterification reaction. The DTM is considered in a sequence of time intervals. ...
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Fitted mesh cubic spline tension method for singularly perturbed delay differential equations with integral boundary condition
(University of Tabriz, 2025-03-01)The cubic spline in tension method is taken into consideration to solve the singularly perturbed delay differential equations of convection diffusion type with integral boundary condition. Simpson's 1/3 rule is used to the ...
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Application of new Kudryashov method to Sawada-Kotera and Kaup-Kupershmidt equations
(University of Tabriz, 2025-03-01)In this article, with the help of the new Kudryashov method, we examine general solutions to the (2+1)-dimensional Sawada-Kotera equation (SKE) and Kaup-Kupershmidt (KK) equation. Using Maple, a symbolic computing application, ...
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$SEI_aI_sQRS$ epidemic model for COVID-19 by using compartmental analysis and numerical simulation
(University of Tabriz, 2025-03-01)In this paper, we developed a $SEI_aI_sQRS$ epidemic model for COVID-19 by using compartmental analysis. In this article, the dynamics of COVID-19 are divided into six compartments: susceptible, exposed, asymptomatically ...
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Highly accurate spline collocation technique for the numerical solution of generalized Burgers-Fisher’s problem
(University of Tabriz, 2025-03-01)This study employs the cubic B-spline collocation strategy to address the solution challenges posed by the nonlinear generalized Burgers-Fisher's equation (gBFE), with some improvisation. This approach incorporates refinements ...
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Existence of solutions of Caputo fractional integro-differential equations
(University of Tabriz, 2025-03-01)In this paper, by using the techniques of measures of non-compactness and the Petryshyn fixed point theorem, we investigate the existence of solutions of a Caputo fractional functional integro-differential equation and ...
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Exploring novel solutions for the generalized q-deformed wave equation
(University of Tabriz, 2025-03-01)Our primary goal is to address the q-deformed wave equation, which serves as a mathematical framework for characterizing physical systems with symmetries that have been violated. By incorporating a q-deformation parameter, ...
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Optimal control of fractional differential equations with interval uncertainty
(University of Tabriz, 2025-03-01)The purpose of this paper is to obtain numerical solutions of fractional interval optimal control problems. To do so, first, we obtain a system of fractional interval differential equations through necessary conditions for ...
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Integrated pests management and food security: A mathematical analysis
(University of Tabriz, 2025-03-01)The basic necessities of life are food, shelter and clothing. Food is more necessary because the existence of life depends on food. In order to foster global food security, integrated pest management (IPM), an environmen ...
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LQR technique based SMC design for a class of uncertain time-delay Conic nonlinear systems
(University of Tabriz, 2025-03-01)In this paper, the finite-time sliding mode controller design problem of a class of conic-type nonlinear systems with time-delays, mismatched external disturbance and uncertain coefficients is investigated. The time-delay ...
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Modeling and simulation of COVID-19 disease dynamics via Caputo-Fabrizio fractional derivative
(University of Tabriz, 2025-03-01)The motive of this paper is to investigate the SEIQRD model of the COVID-19 outbreak in Indonesia with the help of a fractional modeling approach. The model is described by the nonlinear system of six fractional order ...
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Numerical study of the non-linear time fractional Klein-Gordon equation using the Pseudo-spectral method
(University of Tabriz, 2025-03-01)This paper presents a numerical scheme for solving the non-linear time fractional Klein-Gordon equation. To approximate spatial derivatives, we employ the pseudo-spectral method based on Lagrange polynomials at Chebyshev ...
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Numerical study of astrophysics equations using Bessel collocation methods of first Kind
(University of Tabriz, 2025-03-01)A hybrid computational procedure of Newton Raphson method and orthogonal collocation method have been applied to study the behavior of nonlinear astrophysics equations. The nonlinear Lane Emden equation has been discretized ...
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Application of general Lagrange scaling functions for evaluating the approximate solution time-fractional diffusion-wave equations
(University of Tabriz, 2025-03-01)This manuscript provides an efficient technique for solving time-fractional diffusion-wave equations using general Lagrange scaling functions (GLSFs). In GLSFs, by selecting various nodes of Lagrange polynomials, we get ...
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A new approximate analytical method for solving some non-linear boundary value problems in Reaction-Diffusion model
(University of Tabriz, 2025-03-01)The applications of a Reaction-Diffusion boundary value problems are found in science, biochemical applications, and chemical applications. The Ananthaswamy-Sivasankari method (ASM) is employed to solve the considered ...



