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- Jafar Saberi-Nadjafi, Mahdi Heidari
- Computers & Mathematics with Applications
- 2010

- Jafar Saberi-Nadjafi, Asghar Ghorbani
- Computers & Mathematics with Applications
- 2009

- Asghar Ghorbani, Jafar Saberi-Nadjafi
- Computers & Mathematics with Applications
- 2008

- Jafar Saberi-Nadjafi, Mahdi Heidari
- Applied Mathematics and Computation
- 2007

One of the methods for solving definite integrals is modified trapezoid method, which is obtained by using Hermit interpolation [J. Stoer, R. Bulirsch, Introduction to Numerical Analysis, Second Edition, Springer-Verlag, 1993]. In this article we intend to make a quadrature method for solving the linear integral equations such as repeated trapezoid and… (More)

- Hassan Saberi Nik, Sohrab Effati, Jafar Saberi-Nadjafi
- Complexity
- 2015

- Hassan Saberi Nik, Sohrab Effati, Jafar Saberi-Nadjafi
- J. Complexity
- 2015

- Mohammad Mahdi Izadkhah, Jafar Saberi-Nadjafi, S. G. Georgiev
- 2014

In this paper, we study the numerical solution to time-fractional partial differential equations with variable coefficients that involve temporal Caputo derivative. A spectral method based on Gegenbauer polynomials is taken for approximating the solution of the given time-fractional partial differential equation in time and a collocation method in space.… (More)

- Jafar Saberi-Nadjafi, Mohamadreza Tamamgar
- Computers & Mathematics with Applications
- 2008

This paper applies He’s variational iteration method for solving two systems of Volterra integro-differential equations. The solution process is illustrated and various physically relevant results are obtained. Comparison of the obtained results with exact solutions shows that the used method is an effective and highly promising method for various classes… (More)

- Asghar Ghorbani, Jafar Saberi-Nadjafi
- Mathematical and Computer Modelling
- 2011

- Jafar Saberi-Nadjafi, Mahdi Heidari
- Applied Mathematics and Computation
- 2007

In usual quadrature methods for solving integral equations, divide the integration interval (a,b) into n equal subintervals of the length h = (b a)/n. In this article, we intend to divide the integration interval into n subintervals of different lengths, which solves linear Volterra integral equations more accurately than usual quadrature methods. For… (More)