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مرتب سازی بر اساس تاریخ
تعداد موارد: ۷۸
مشاهده مقاله

Stability and convergence analysis of singular integral equations for unequal arms branch crack problems in plane elasticity

Raziyeh Ghorbanpoor ، Jafar Saberi- Nadjafi ، N.M.A. Nik Long ، Majid Erfanian

Applied Mathematical Modelling

مجلات خارجی 2022 March Volume (103) Pages (731-749)
مشاهده مقاله

NUMERICAL SOLUTION OF FRACTIONAL-ORDER POPULATION GROWTH MODEL USING FRACTIONAL-ORDER MUNTZ–LEGENDRE COLLOCATION METHOD AND PADE–APPROXIMANTS

Elias Hengamian Asl ، Jafar Saberi- Nadjafi ، Mortaza Gachpazan

Jordan Journal of Mathematics and Statistics

مجلات خارجی 2022 January Volume (15) No (1) Pages (157-175)
مشاهده مقاله

A method based on the meshless approach for the numerical solution of the singularly perturbed differential-difference equation arising in the modeling of neuronal variability

Fahimeh Akhavan Ghassabzade ، Jafar Saberi- Nadjafi ، Ali Reza Soheili

Caspian Journal of Mathematical Sciences

مجلات خارجی 2021 December Volume (10) No (2) Pages (210-223)
مشاهده مقاله

2D-fractional Muntz–Legendre polynomials for solving the fractional partial differential equations

Elias Hengamian Asl ، Jafar Saberi- Nadjafi ، Mortaza Gachpazan

Iranian Journal of Numerical Analysis and Optimization

مجلات خارجی 2020 September Volume (10) No (2) Pages (1-31)
مشاهده مقاله

Stress intensity factor for multiple cracks in an infinite plate using hypersingular integral equations

Raziyeh Ghorbanpoor ، Jafar Saberi- Nadjafi ، Nik Mohd Asri Nik Long ، Majid Erfanian

Computational Methods for Differential Equations

مجلات خارجی 2020 January Volume (8) No (1) Pages (69-84)
مشاهده مقاله

TRIANGULAR FUNCTIONS WITH CONVERGENCE FOR SOLVING LINEAR SYSTEM OF TWO-DIMENSIONAL FUZZY FREDHOLM INTEGRAL EQUATION

Elias Hengamian Asl ، Jafar Saberi- Nadjafi

Jordan Journal of Mathematics and Statistics

مجلات خارجی 2019 December Volume (12) No (4) Pages (557-580)
مشاهده مقاله

Cubic B-splines collocation method for solving a partial integrodifferential equation with a weakly singular kernel

Mohammad Gholamian ، Jafar Saberi- Nadjafi ، Ali Reza Soheili

Computational Methods for Differential Equations

مجلات خارجی 2019 July Volume (7) No (3) Pages (497-510)
مشاهده مقاله

Cubic B-spline collocation method for a class of partial integro-differential equation

Mohammad Gholamian ، Jafar Saberi- Nadjafi

Alexadria Engineering Journal

مجلات خارجی 2018 November Volume (57) No (2018) Pages (2157-2165)
مشاهده مقاله

An Efficient Numerical Method for a Class of Nonlinear Volterra Integro-Differential Equations

Hossein Daliri ، Jafar Saberi- Nadjafi ، Asghar Ghorbani

Journal of Applied Mathematics

مجلات خارجی 2018 August Volume (2018) No (1) Pages (1-7)
مشاهده مقاله

A method based on the meshless approach for singularly perturbed differential-difference equations with Boundary layers

Jafar Saberi- Nadjafi ، Ali Reza Soheili

Computational Methods for Differential Equations

مجلات خارجی 2018 June Volume (6) No (3) Pages (298-311)
مشاهده مقاله

A Novel Method for Solving Nonlinear Volterra Integro-Differential Equation Systems

Hossein Daliri ، Jafar Saberi- Nadjafi ، Asghar Ghorbani

Abstract and Applied Analysis

مجلات خارجی 2018 June Volume (2018) Pages (1-6)
مشاهده مقاله

Improved variational iteration method for solving a class of nonlinear Fredholm integral equations

Hossein Daliri ، Jafar Saberi- Nadjafi

Boletin de la Sociedad Espanola de Matematica Aplicada

مجلات خارجی 2018 May Volume (2018) No (1) Pages (1-13)
مشاهده مقاله

An Analytical and Approximate Solution for Nonlinear Volterra Partial Integro-Differential Equations with a Weakly Singular Kernel Using the Fractional Differential Transform Method

Rezvan Ghoochani Shirvan ، Jafar Saberi- Nadjafi ، Mortaza Gachpazan

International Journal of Differential Equations

مجلات خارجی 2018 April Volume (2018) No (1) Pages (1-10)
مشاهده مقاله

An extension of the Gegenbauer pseudospectral method for the time fractional Fokker-Planck equation

Mohammad Mahdi Izadkhah ، Jafar Saberi- Nadjafi ، Faezeh Toutounian Mashhad

Mathematical Methods in the Applied Sciences

مجلات خارجی 2018 January Volume (41) No (1) Pages (1-15)
مشاهده مقاله

Solving linear two-dimensional Fredholm integral equations system by triangular functions

Elias Hengamian Asl ، Jafar Saberi- Nadjafi

International Journal of Applied Mathematical Research

مجلات خارجی 2016 October Volume (5) No (4) Pages (187-191)
مشاهده مقاله

A new spectral meshless radial point interpolation(SMRPI) method fo rthe two-dimensional Fredholm integral equations on general domains with error analysis

Hedayat Fatahi ، Jafar Saberi- Nadjafi ،

Journal of Computational and Applied Mathematics

مجلات خارجی 2016 January Volume (294) No (1) Pages (196-209)
مشاهده مقاله

Expansion of the Exp-function method for solving systems of two-dimensional Navier–Stokes equations

، ، Jafar Saberi- Nadjafi

Journal of Taibah University for Science

مجلات خارجی 2015 January Volume (9) No (1) Pages (121-125)
مشاهده مقاله

Hybrid projective synchronization and control of the Baier–Sahle hyperchaotic flow in arbitrary dimensions with unknown parameters

Hassan Saberi Nik ، Jafar Saberi- Nadjafi ، Sohrab Effati ،

Applied Mathematics and Computation

مجلات خارجی 2014 October Volume (248) No (12) Pages (55-69)
مشاهده مقاله

Gegenbauer spectral method for time-fractional convection–diffusion equations with variable coefficients

Mohammad Mahdi Izadkhah ، Jafar Saberi- Nadjafi

Mathematical Methods in the Applied Sciences

مجلات خارجی 2014 June Pages (1-12)
مشاهده مقاله

New ultimate bound sets and exponential finite-time synchronization for the complex Lorenz system

، Sohrab Effati ، Jafar Saberi- Nadjafi

Journal of Complexity

مجلات خارجی 2014 April Volume (31) No (5) Pages (715-730)
مشاهده مقاله

Ultimate bound sets of a hyperchaotic system and its application in chaos synchronization

Hassan Saberi Nik ، Sohrab Effati ، Jafar Saberi- Nadjafi

Complexity

مجلات خارجی 2014 March Volume (20) No (4) Pages (30-44)
مشاهده مقاله

The numerical solution of the singularly perturbed differential-difference equations based on the Meshless method

Jafar Saberi- Nadjafi ، Fa Akhavan

International Journal of Applied Mathematical Research

مجلات خارجی 2014 March Volume (3) No (2)
مشاهده مقاله

On the piecewise-spectral homotopy analysis method and its convergence: solution of hyperchaotic L¨u system

، Hassan Saberi Nik ، Sohrab Effati ، Jafar Saberi- Nadjafi

Journal of Numerical Mathematics

مجلات خارجی 2014 February Volume (22) No (4) Pages (343-362)
مشاهده مقاله

A new modified quadrature method for solving linear weakly singular integral equations

Jafar Saberi- Nadjafi ، Mahdi Heidari

World Journal of Modeling and Simulaton

مجلات خارجی 2014 February Volume (10) No (1) Pages (69-78)
مشاهده مقاله

Optimal and adaptive control for a kind of 3D chaotic and 4D hyper-chaotic systems

Sohrab Effati ، Jafar Saberi- Nadjafi ، Hassan Saberi Nik

Applied Mathematical Modelling

مجلات خارجی 2013 September Volume (38) No (2) Pages (759-774)
مشاهده مقاله

The Coiflet–Galerkin method for linear Volterra integral equations

Jafar Saberi- Nadjafi ، Mohammad Mehrabinezhad ،

Applied Mathematics and Computation

مجلات خارجی 2013 August Volume (221) No (8) Pages (469-483)
مشاهده مقاله

A Computational Method for n-Dimensional Laplace Transforms Involved with Fourier Cosine Transform

Jafar Saberi- Nadjafi

ISRN Applied Mathematics

مجلات خارجی 2013 August Volume (2013) No (1) Pages (1-4)
مشاهده مقاله

On convergence of He’s variational iteration method for nonlinear partial differential equations

Jafar Saberi- Nadjafi ، Asghar Ghorbani

Iranian Journal of Numerical Analysis and Optimization

مجلات خارجی 2013 February Volume (3) No (1) Pages (1-7)
مشاهده مقاله

Exact solutions of some types of Fredholm integral equations: He s VIM combined with finite series

Jafar Saberi- Nadjafi ، Asghar Ghorbani

Applied Mathematical and Computational Sciences

مجلات خارجی 2012 October Volume (4) No (2) Pages (117-130)
مشاهده مقاله

On the Homotopy Analysis Method and Optimal Value of the Convergence Control Parameter: Solution of Euler-Lagrange Equation

Jafar Saberi- Nadjafi ، Reza Buzhabadi ، Hassan Saberi Nik

Applied Mathematics

مجلات خارجی 2012 August Volume (3) No (8) Pages (873-881)
مشاهده مقاله

An adaptive spectral variational iteration method for solving nonlinear initial value problems

Asghar Ghorbani ، Jafar Saberi- Nadjafi ، Mortaza Gachpazan

Nonlinear Science Letters A: Mathematics, Physics and Mechanics

مجلات خارجی 2012 June Volume (3) No (2) Pages (95-101)
مشاهده مقاله

Solving Volterra integral equations of the second kind by wavelet-Galerkin scheme

Jafar Saberi- Nadjafi ، Mohammad Mehrabinezhad ، Hani Akbari

Computers and Mathematics with Applications

مجلات خارجی 2012 June Volume (63) No (11) Pages (1536-1547)
مشاهده مقاله

A New Spectral Variational Iteration Method for Solving Nonlinear Two-Point Boundary Value Problems

Asghar Ghorbani ، Jafar Saberi- Nadjafi ، Mortaza Gachpazan

World Applied Sciences Journal

مجلات خارجی 2011 December Volume (13) No (1) Pages (48-54)
مشاهده مقاله

A modified parametric iteration method for solving nonlinear second order BVPs

Asghar Ghorbani ، Mortaza Gachpazan ، Jafar Saberi- Nadjafi

Computational and Applied Mathematics

مجلات خارجی 2011 December Volume (30) No (3) Pages (499-515)
مشاهده مقاله

Comparison of Liao’s optimal HAM and Niu’s one-step optimal HAM for solving integro-differential equations

Jafar Saberi- Nadjafi ، Hossein Saberi

Journal of Applied Mathematics and Bioinformatics

مجلات خارجی 2011 November Volume (1) No (2) Pages (85-98)
مشاهده مقاله

Numerical Solution of Two-Dimensional Volterra Integral Equations by Spectral Galerkin Method

Jafar Saberi- Nadjafi ، Omid Navid Samadi ، Emran Tohidi

Journal of Applied Mathematics and Bioinformatics

مجلات خارجی 2011 November Volume (1) No (2) Pages (159-174)
مشاهده مقاله

A piecewise-spectral parametric iteration method for solving the nonlinear chaotic Genesio system

Asghar Ghorbani ، Jafar Saberi- Nadjafi

Mathematical and Computer Modelling

مجلات خارجی 2011 June Volume (54) No (2) Pages (131-139)
مشاهده مقاله

Application of He’s Homotopy Perturbation Method to Linear Programming

Mohammad Mehrabinezhad ، Jafar Saberi- Nadjafi

International Journal of Computer Mathematics

مجلات خارجی 2011 January Volume (88) No (2) Pages (341-347)
مشاهده مقاله

Variational Iteration Method for Solving Seventh Order Integro-differential equations

، Jafar Saberi- Nadjafi

Applied Mathematical and Computational Sciences

مجلات خارجی 2010 November Volume (2) No (1) Pages (27-33)
مشاهده مقاله

Variational Iteration Method for Solving Nonlinear Differential-difference Equations-NDDEs

Jafar Saberi- Nadjafi ،

Australian Journal of Basic and Applied Sciences

مجلات خارجی 2010 November Volume (4) No (10) Pages (4971-4975)
مشاهده مقاله

Convergence of He’s Variational Iteration Method for Nonlinear Oscillators

Asghar Ghorbani ، Jafar Saberi- Nadjafi

Nonlinear Science Letters A: Mathematics, Physics and Mechanics

مجلات خارجی 2010 October Volume (1) No (4) Pages (379-384)
مشاهده مقاله

Modified Homotopy Perturbation Method for Solving Integral Equations

Jafar Saberi- Nadjafi ،

International Journal of modern physics B

مجلات خارجی 2010 September Volume (24) No (24) Pages (4741-4746)
مشاهده مقاله

Variational iteration method for solving mth-order boundary value problems

Jafar Saberi- Nadjafi ،

Indian Journal of Science and Technology

مجلات خارجی 2010 September Volume (3) No (9) Pages (990-993)
مشاهده مقاله

Solving nonlinear integral equations in the Urysohn form by Newton - Kantorovich quadrature method

Jafar Saberi- Nadjafi ، Mahdi Heidari

Computers and Mathematics with Applications

مجلات خارجی 2010 August Volume (60) No (7) Pages (2058-2065)
مشاهده مقاله

HOMOTOPY PERTURBATION METHOD (HPM) FORSOLVING HIGHER ORDER BOUNDARY VALUEPROBLEMS (BVP)

Jafar Saberi- Nadjafi ، Shirin Zahmatkesh Sarooghi

Applied Mathematical and Computational Sciences

مجلات خارجی 2010 August Volume (1) No (2) Pages (199-224)
مشاهده مقاله

Piecewise-Truncated Parametric Iteration Method: a PromisingAnalytical Method for Solving Abel Differential Equations

Jafar Saberi- Nadjafi ، Asghar Ghorbani

Zeitschrift fur Naturforschung A: Physical Sciences

مجلات خارجی 2010 August Volume (65) No (7) Pages (529-539)
مشاهده مقاله

A Numerical Approach for Solving Linear and NonlinearVolterra Integral Equations with Controlled Error

Ali Vahidian Kamyad ، Mohammad Mehrabinezhad ، Jafar Saberi- Nadjafi

IAENG International Journal of Applied Mathematics

مجلات خارجی 2010 May Volume (40) No (2) Pages (1-6)
مشاهده مقاله

A Hybrid of the Newton-GMRES and Electromagnetic Meta-Heuristic Methods for Solving Systems of Nonlinear Equations

Faezeh Toutounian Mashhad ، Jafar Saberi- Nadjafi ، Seyed Hassan Taheri

Journal of Mathematical Modelling and Algorithms

مجلات خارجی 2009 December Volume (8) No (4) Pages (425-443)
مشاهده مقاله

He’s homotopy perturbation method: An effective tool for solving nonlinear integral and integro-differential equations

Jafar Saberi- Nadjafi ، Asghar Ghorbani

Computers and Mathematics with Applications

مجلات خارجی 2009 December Volume (12) No (58) Pages (2379-2390)
مشاهده مقاله

An effective modification of He s variational iteration method

Jafar Saberi- Nadjafi ، Asghar Ghorbani

Nonlinear Analysis: Real World Applications

مجلات خارجی 2009 October No (10) Pages (2828-2833)
مشاهده مقاله

Modified Homotopy Perturbation Method for Solving the System of Volterra Integral Equations

Jafar Saberi- Nadjafi ،

International Journal of Nonlinear Sciences and Numerical Simulation

مجلات خارجی 2008 October Volume (9) No (4) Pages (409-413)
مشاهده مقاله

Exact solutions for nonlinear integral equations by a modified

Jafar Saberi- Nadjafi ، Asghar Ghorbani

Computers and Mathematics with Applications

مجلات خارجی 2008 August No (56) Pages (1032-1039)
مشاهده مقاله

A generalized differential transform method for linear partial differential equations of fractional order

Jafar Saberi- Nadjafi

Applied Mathematics Letters

مجلات خارجی 2008 February Volume (21) No (2) Pages (194-199)
مشاهده مقاله

The variational iteration method: A highly promising method for

Jafar Saberi- Nadjafi ،

Computers and Mathematics with Applications

مجلات خارجی 2008 January No (56) Pages (346-351)
مشاهده مقاله

A hybrid of the restarted Arnoldi an electromagnetism meta-heuristic methods for calculating eigenva

- - ، ، Jafar Saberi- Nadjafi ،

Applied Mathematics and Computation

مجلات خارجی 2007 August
مشاهده مقاله

Solving linear integral equations of the second kind with repeated modified trapezoid quadrature method

Jafar Saberi- Nadjafi ، Mahdi Heidari

Applied Mathematics and Computation

مجلات خارجی 2007 June
مشاهده مقاله

A quadrature method with variable step for solving linear Volterra integral equations of the second kind

Jafar Saberi- Nadjafi ، Mahdi Heidari

Applied Mathematics and Computation

مجلات خارجی 2007 May
مشاهده مقاله

A generalized block-by-block method for solving linear volterra integral equations

Jafar Saberi- Nadjafi ، Mahdi Heidari

Applied Mathematics and Computation

مجلات خارجی 2007 May
مشاهده مقاله

He,s Homotopy Perturbation Method for Calculating Adomian Polynomials

Asghar Ghorbani ، Jafar Saberi- Nadjafi

International Journal of Nonlinear Sciences and Numerical Simulation

مجلات خارجی 2007 April
مشاهده مقاله

SOME REMARKS ON n-DIMENSIONAL LAPLACETRANSFORMS

Jafar Saberi- Nadjafi

Italian Journal of Pure and Applied Mathematics

مجلات خارجی 2007 January
مشاهده مقاله

Theorems on n-dimensional laplace transformations involving the solution of wave equations

Jafar Saberi- Nadjafi ،

Integral Transforms and Special Functions

مجلات خارجی 2004 August
مشاهده مقاله

Solving linear two-dimensional Fredholm integral equations system by triangular

Jafar Saberi- Nadjafi - Elias Hengamian Asl

47th Annual Iranian Mathematics Conference, Kharazmi University, Karaj, 28- 31 August 2017

کنفرانس های خارجی | 2016-08-28
مشاهده مقاله

Solving Linear Two-Dimensional Fredholm Integral Equations System by Trianglular Functions

Elias Hengamian Asl - - Jafar Saberi- Nadjafi

The 6th Seminar on numerical anlysis and its applications

کنفرانس های خارجی | 2016-07-20
مشاهده مقاله

A spectral parametric iteration method for partial differential equation

Asghar Ghorbani - Mortaza Gachpazan - Jafar Saberi- Nadjafi

چهل و چهارمین کنفرانس ریاضی ایران

کنفرانس های خارجی | 2013-08-27
مشاهده مقاله

USING DIFFERENTIAL TRANSFORM METHOD (DTM) FOR SOLVING SOME FAMOUS PARTIAL DIFFERENTIAL EQUATIONS (PDE)

Jafar Saberi- Nadjafi - Fahime Firuzizadeh

42nd Annual Iranian Mathematics Conference

کنفرانس های خارجی | 2011-09-05
مشاهده مقاله

USING ELECTROMAGNETIC META-HEURISTIC ALGORITHM FOR SOLVING NONLINEAR FREDHOLM INTEGRAL EQUATIONS

Seyed Hassan Taheri - Faezeh Toutounian Mashhad - Jafar Saberi- Nadjafi

چهل و دومین کنفرانس ریاضی ایران

کنفرانس های خارجی | 2011-09-05
مشاهده مقاله

Varitational iteration method for solving mth-order boundary value problems

Jafar Saberi- Nadjafi -

چهل ویکمین کنفرانس ریاضی کشور

کنفرانس های خارجی | 2010-09-12
مشاهده مقاله

Variational iteration method for solvingn nonlinear integral equations

Jafar Saberi- Nadjafi - M. Amin Khah - Rama Amiri

چهل و یکمین کنفرانس ریاضی کشور

کنفرانس های خارجی | 2010-09-12
مشاهده مقاله

Variational iteration method for solving Seventh order integro-differential equations

Jafar Saberi- Nadjafi -

چهارمین کنفرانس ریاضی ایران

کنفرانس های خارجی | 2010-03-10
مشاهده مقاله

An efficient iterative analytical method applied to a nonlinear biochemical reaction model

Asghar Ghorbani - Jafar Saberi- Nadjafi

چهارمین کنفرانس ریاضی کار بردی ایران

کنفرانس های خارجی | 2010-03-10
مشاهده مقاله

A Note On Analytical Solution Of DoubleLinear Volterra Integral Equations Of The second kind

Jafar Saberi- Nadjafi - Saeed Panahian

5th Asian Mathematical Conference

کنفرانس های خارجی | 2009-10-22
مشاهده مقاله

An analytical algorithm for unsteady nonlinear convective- radiative equation

A.Alavi - Jafar Saberi- Nadjafi - Asghar Ghorbani

چهلمین کنفرانس ریاضی کشور

کنفرانس های خارجی | 2009-08-17
مشاهده مقاله

Rayleigh Ritz approach for solving Fredholm integral equations

Mohammad Mehrabinezhad - Jafar Saberi- Nadjafi

چهلمین کنفرانس ریاضی کشور

کنفرانس های خارجی | 2009-08-17
مشاهده مقاله

A heuristic method for nonlinear unconstrained global optimization: Electromagnetism meta-heuristic

- - - Jafar Saberi- Nadjafi

Second International Conference on Continuous Optimization + Modeling and Optimization: Theory and Applications

کنفرانس های خارجی | 2008-01-08
مشاهده مقاله

THEOREMS ON n-DIMENSIONAL LAPLACETRANSFORMS AND THEIR APPLICATIONS

Jafar Saberi- Nadjafi - R. S. Dahiya

15th Annual Conference of Applied Mathematics, Univ. of Central Oklahoma

کنفرانس های خارجی | 1999-02-12
مشاهده مقاله

روش تکرار تغییرات یانگ-لاپلاس کسری موضعی برای حل معادلات دیفرانسیل جزئی کسری موضعی

هما افراز - جعفر صابری نجفی

پژوهش های نوین در ریاضی

مجلات داخلی | آذر ۱۳۹۹ دوره (6) شماره (27) صفحات (41-52)
مشاهده مقاله

حل عددی برخی از معادلات انتگرالی منفرد با استفاده از موجکهای دابشی

راما امیری - جعفر صابری نجفی

سی و هفتمین کنفرانس ریاضی ایران

کنفرانس های داخلی | ۱۳۸۵/۰۶/۱۱
مشاهده مقاله

معکوس سازی عددی تبدیلات لاپلاس دوبعدی برای حل برخی از معادلات موج

جعفر صابری نجفی - محمدحسین دلیری بیرجندی

سی و هفتمین کنفرانس ریاضی ایران

کنفرانس های داخلی | ۱۳۸۵/۰۶/۱۱