Iranian Journal of Numerical Analysis and Optimization

Main Subjects = Numerical Analysis

Parameter-uniform numerical treatment of singularly perturbed parabolic delay differential equations with non-local boundary conditions

Articles in Press, Accepted Manuscript, Available Online from 14 September 2024

10.22067/ijnao.2024.89176.1490

Wondimagegnehu Simon Hailu; Gemechis File Duressa

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An approach of extrapolation methods for the solution of nonlinear Volterra-Fredholm integral equations of the second kind

Articles in Press, Accepted Manuscript, Available Online from 21 September 2024

10.22067/ijnao.2024.85903.1361

hamid safdari; Maryam Moradkhani; Mohammad Taghi Dastjerdi

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Stability of impulsive fractional stochastic integro-differential equations with state dependent delay and Poisson jumps by using Mainardi's function

Articles in Press, Accepted Manuscript, Available Online from 01 October 2024

10.22067/ijnao.2024.87562.1423

C. Mattuvarkuzhali; I. Silambarasan

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Dynamical analysis of a nonlinear oscillator chain in the Peyrard-Bishop DNA model using residual power series and Laplace residual power series method

Articles in Press, Accepted Manuscript, Available Online from 12 October 2024

10.22067/ijnao.2024.88564.1461

Dibyajyoti Priyadarsini; Prakash Kumar Sahu; Mitali Routaray

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A numerical solution of parabolic quasi-variational inequality nonlinear using Newton-multigrid method

Volume 14, Issue 4, December 2024, Pages 991-1015

10.22067/ijnao.2024.86954.1395

M. Bahi; M. Beggas; N. Nesba; A. Imtiaz

A space-time least-squares support vector regression scheme for inverse source problem of the time-fractional wave equation

Volume 14, Issue 4, December 2024, Pages 1037-1068

10.22067/ijnao.2024.86883.1392

A. Mohammadi; A. Tari Marzabad

Adaptive mesh based Haar wavelet approximation for a singularly perturbed integral boundary problem

Volume 14, Issue 4, December 2024, Pages 1140-1167

10.22067/ijnao.2024.87550.1421

P. Shukla; S. Saini; V. Devi

A novel mid-point upwind scheme for fractional-order singularly perturbed convection-diffusion delay differential equation

Volume 14, Issue 4, December 2024, Pages 1247-1279

10.22067/ijnao.2024.88781.1472

N.A. Endrie; G.F. Duressa

A Petrov–Galerkin approach for the numerical analysis of soliton and multi-soliton solutions of the Kudryashov–Sinelshchikov equation

Volume 14, Issue 4, December 2024, Pages 1309-1335

10.22067/ijnao.2024.87548.1422

H. Samy; W. Adel; I. Hanafy; M. Ramadan

Nonpolynomial B-spline collocation method for solving singularly perturbed quasilinear Sobolev equation

Volume 14, Issue 3, September 2024, Pages 638-661

10.22067/ijnao.2024.85929.1363

F. Edosa Merga; G. File Duressa

An improved imperialist competitive algorithm for solving an inverse form of the Huxley equation

Volume 14, Issue 3, September 2024, Pages 681-707

10.22067/ijnao.2024.86692.1384

H. Dana Mazraeh; K. Parand; H. Farahani; S.R. Kheradpisheh

Uniformly convergent numerical solution for caputo fractional order singularly perturbed delay differential equation using extended cubic B-spline collocation scheme

Volume 14, Issue 3, September 2024, Pages 762-795

10.22067/ijnao.2024.86894.1393

N.A. Endrie; G.F. Duressa

Finite element analysis for microscale heat equation with Neumann boundary conditions

Volume 14, Issue 3, September 2024, Pages 796-832

10.22067/ijnao.2024.87084.1403

M.H. Hashim; A.J. Harfash

Numerical method for the solution of high order Fredholm integro-differential difference equations using Legendre polynomials

Volume 14, Issue 3, September 2024, Pages 833-874

10.22067/ijnao.2024.87599.1425

P.T. Pantuvo; G. Ajileye; R. Taparki; O.O. Aduroja

A numerical computation for solving delay and neutral differential equations based on a new modification to the Legendre wavelet method

Volume 14, Issue 3, September 2024, Pages 900-937

10.22067/ijnao.2024.87373.1412

N.M. El-Shazly; M.A Ramadan

Extending quasi-GMRES method to solve generalized Sylvester tensor equations via the Einstein product

Volume 14, Issue 3, September 2024, Pages 938-969

10.22067/ijnao.2024.87481.1418

M.M. Izadkhah

Quantum solutions of a nonlinear Schrödinger equation

Volume 14, Issue 2, June 2024, Pages 330-346

10.22067/ijnao.2023.84855.1324

S. Arfaoui; Ben Mabrouk

Discontinuous Galerkin approach for two-parametric convection-diffusion equation with discontinuous source term

Volume 14, Issue 2, June 2024, Pages 347-366

10.22067/ijnao.2024.84456.1316

K. R. Ranjan; S. Gowrisankar

High order second derivative multistep collocation methods for ordinary differential equations

Volume 14, Issue 2, June 2024, Pages 367-390

10.22067/ijnao.2024.85789.1358

S. Fazeli

Jarratt and Jarratt-variant families of iterative schemes for scalar and system of nonlinear equations

Volume 14, Issue 2, June 2024, Pages 391-416

10.22067/ijnao.2024.84415.1314

O. Ogbereyivwe; E. J. Atajeromavwo; S. S. Umar

Goursat problem in Hyperbolic partial differential equations with variable coefficients solved by Taylor collocation method

Volume 14, Issue 2, June 2024, Pages 613-637

10.22067/ijnao.2024.85895.1364

F. Birem; A. Boulmerka; H. Laib; C. Hennous

A new numerical approach to the solution of the nonlinear Kawahara equation by using combined Taylor–Dickson approximation

Volume 14, Issue 1, March 2024, Pages 20-43

10.22067/ijnao.2023.83184.1287

D. Priyadarsini; M. Routaray; P.K. Sahu

Modal spectral Tchebyshev Petrov–Galerkin stratagem for the time-fractional nonlinear Burgers’ equation

Volume 14, Issue 1, March 2024, Pages 172-199

10.22067/ijnao.2023.83389.1292

Y.H. Youssri; A.G. Atta

On generalized one-step derivative-free iterative family for evaluating multiple roots

Volume 14, Issue 1, March 2024, Pages 291-314

10.22067/ijnao.2023.82958.1282

H. Arora; A. Cordero; J. R. Torregrosa

A generalized form of the parametric spline methods of degree (2k + 1) for solving a variety of two-point boundary value problems

Volume 13, Issue 4, December 2023, Pages 578-603

10.22067/ijnao.2023.79288.1192

Z. Sarvari

Iranian Journal of Numerical Analysis and Optimization

Journal Archive

Volume 14 (2024)

Volume 13 (2023)

Volume 12 (2022)

Volume 11 (2021)

Volume 10 (2020)

Volume 9 (2019)

Volume 8 (2018)

Volume 7 (2017)

Volume 6 (2016)

Volume 5 (2015)

Volume 4 (2014)

Volume 3 (2013)

Volume 2 (2009)

Volume 1 (2008)