Hashem Saberi Najafi
Faculty: Faculty of Mathematical Sciences
Department: Department of Applied Mathematics
University of Guilan
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Hashem Saberi Najafi
Academic Rank:

Associate Prof.

Faculty:

Faculty of Mathematical Sciences

Department:

Department of Applied Mathematics



Profile :: Education :: Publications :: Courses :: CV :: Contact


[ not available ]


 

 

Undergraduate :  University of Mashhad ( Ferdowsi ) , Mashhad , Iran ,B.Sc in Mathmathics  - January 1974

 

Graduate :   Brunel University , England , M.Sc in Numerical Analysis with Functional Analysis , December 1977

                          Adelaide University , Australia , Ph.D in Numerical Modeling , 1997

 

  Areas of Interest:

 

 Numerical Analysis

    Numerical  Linear Algebra

       Numerical  Ordinary and  Partial Differential Equations

   Numerical  Modeling  of  the Oceans

 

 



1)

  A new restarting method in the Arnoldi algorithm for computing the   eigenvalues of a nonsymmetric matrix       

         H. Saberi Najafi, E. Khaleghi

            Journal of Applied Mathematics and Computation, 156 ( 2004) 59-71

 2)

  Shifting algorithms with Maple and implicit shift in the QR algoritm   

         H. Saberi Najafi, M. Shams

            Journal of Applied Mathematics and Computation, 161 (2005)947-962

  

3)

    Computational Quartic c3-spline and Quintic c2-spline algorithms for solving

                                                                                                                                second-order initial value problems

     H.Saberi Najafi, S.Kordrostami,. M. Esmaeilzadeh

            Journal of Applied Mathematics and Computation, 167 (2005) 237-251 

  4)

   Spherical  coordinate Numerical Model of the Persian GUlf 

        H. saberi Najafi , B.J.Noye , M.D .Teubner.

          Computational Technigues and applications .

                                                                                  CTAC95586.1996-579

   5)

  Dynamic Connection of  Fine and Coarse Gride Tidal Model

      H.saberi Najafi, B.Y.Noye, M.D.Teubner.

             Proceeding of the ocean and Atmospheric pacfic 1995,240-235

 

    6)

  Modelling  Tides in the Persian Gulf usiny Dynamic Nesting

         M.D.Teubner , H.Saberi Najafi,...

         Modelliny coastal sea processes , Editor , j . Noye

                              World scientific  publishing  co.1999.57-80

   7)

      Weighted Restarting method in the  weighted Arnoldi

         algorithm for computing the eigenvalues of a nonsymmetric matrix

       H. Saberi Najafi, H. Ghazvini

           Journal of Applied Mathematics and Computation 175 (2006) 1276-1287

  8)

   Two new implicit finite-difference methods for solving three-dimensional advection-dispersion

                                         equation for ground waters pollution modelling  

                      H. Saberi NajafiH. Hajinezhad

 9) A modification on minimum restarting method in the Arnoldi algorithm for computing the eigenvalues 

                                                       of a nonsymmetric matrix 

                    H. Saberi Najafi ,H.Ghazvini

                        Journal of Applied Mathematics and Computation 181(2006)1455-146

 

 10) Computational algorithms for computing the inverse of a square matrix

             quasi inverse of a non-square matrix and block matrices. Applied Mathematics and computations   .

                                                                                                                     183(2006)539-550 

                         H. Saberi Najafi, M. Shams

 11)  A Block Shift - and-Invert Arnoldi Algorithm for

                                                  Large unsymmetric  Generalized  eigen problems , UK

                                 International Journal of Computer Mathematics , ( Review.2007.)

                 H. Saberi Najafi, M. Shams Solary

     

 12)    A New Algorithm for finding All Eigenvalues of

                                                                      Large unsymmetric Generalized EigenProblems.

         An International Journal of Computer and Mathematics with Applications( Review) ,2007.

                    H.Saberi Najafi, M.Shams Solary


 13)  A new restarting method in the harmonic projection algorithm for computing the eigen values of a    

                                                                                                                         nonsymmetric matrix . 

          Applied Mathematics and computation In press, ( 2007) . 

                  H.saberi Najafi, H. Moosaei

                

14)   Weighted FOM - inverse vector iteration method for computing

                                                                               A few Smallest( largest ) eigenvalues of pair ( A, B)

                               Applied Mathematics and Computations , 192( 2007 ) 239-346

                  H.Saberi Najafi, A Refahi and M. Akbari

 

15)    FOM - inverse vector iteration method for Computing a few

                                                                                     Smallest ( largest ) eigen Value of pair ( A, B )

                                Applied  Mathematics and Computation 188( 2007 ) 641- 647

          H.Saberi Najafi, A Refahi

        

16)  A new restarting  method in the Lanczos algorithm for generalized eigenvalue  problem  Applied  

                                                          Mathematics and Computation, 184( 2007) 421-428

          H.Saberi Najafi, A. Refahi


  17) A Computational Method for Finding Diagonally Dominant and Double Diagonally Dominant

                                                                                                 Matrices For Iterative Methods

Presented in  The 39th Annual Iranian Mathematics Conference 24-27 August 2008, Shahid Bahonar University   

                                                                                                                                of Kerman, Kerman, I.R. Iran.

      H.Saberi Najafi, K. Mirzaei

 

 

18) Solving One -Dimensional Advection-Dispersion with Reaction Using Some Finite-Difference Method,  Applied Mathematical Sciences Vol. 2, 2008, no. 53, 2611-2618

  H.Saberi Najafi, H.Hajinezhad

19) A New Computational Harmonic Projection Algorithm For Large Unsymmetric General Eigenproblems, Applied MathematicalSciences, Vol. 2, 2008, no. 53, 1327-1334

 

H.Saberi Najafi, H.Moosaei, M.Moosae

20) H.Saberi Najafi, M.Shams Solary

Developing an Improved Shift-and-Invert Arnoldi Method, Applications and Applied Mathematics , An international Journal AAM, Vol. 5, No. 1, June 2010, pp. 167-180, USA

 

21) some improvements in preconditioned modified accelerated overrelaxation(PMAOR ) method for solving linear systems

H.Saberi Najafi, Seyyed Ahmad Edalatpanah

Journal of Information and Computing System, Vol. 6, No. 1, 2011, pp. 015-022, UK

22)

Saberi Najafi, H. and Zeinal, A. 2011. Measuring LDA Performance Affected by Normal and Skew-Normal Distributions Using The Normwise Condition Number. Int. J. Appl. Math. Stat., 23(D11): 122-134

 23)

Saberi Najafi, H. and Zeinal, A. 2010. LDA and The Relation of The Relative Condition Number With Some Variables. Journal of Pure and Applied Mathematics: Advances and Applications, 4(2): 187-221

24)

Saberi Najafi, H. and Zeinal, A. 2011. The Variables Affecting The Performance of LDA. Advances and Applications in Statistical Sciences

25)

Saberi Najafi, H. and Zeinal, A. 2011. Measuring The Accuracy of LDA Based on Skew-Normal Distribution by THE Relative Condition Number. Pioneer Journal of Theoretical and Applied statistics

26)

H. Saberi Najafi ,F. Ramezani Sasemasi,S. Sabouri Roudkoli, S. Fazeli Nodehi/ TJMCS Vol .2 No.2 (2011) 295-306 The Journal of Mathematics and Computer Science

Comparison of two methods for solving fuzzy differential equations based on Euler method and Zadeh’s extension

 27)

H. Saberi. Najafi and A.H. Refahi Sheikhani


New Refinement Process for Solving Large Sparse Sylvester Equations

World Applied Sciences Journa Volume 12 Number 6, 2011

 

28)

H.S.Najafi and A.H.Refahi

New Numerical Method for Analyzing BIBO Stability of the Continuous Time Linear System

Differential equations and control processes No. 2, 2011, St. Petersburg, Russia

29)

H.Saberi Najafi, S. Kordrostami, A.H. Refahi Sheikhani

Computational algorithms for determining inertia and stability

Mathematical Sciences Vol. 5, No. 3 (2011) 279-290

30)


H.Saberi Najafi, A.H.Refahi Sheikhani

,Refinement methods for state estimation via Sylvester-observer equation

hindawi , ANA/184314: , ISI,

Advances in Numerical Analysis
Volume 2011 (2011), Article ID 184314, 15 pages
doi:10.1155/2011/184314
 

31)

H. Saberi Najafi, Amir Hosein Refahi Sheikhani and Alireza Ansari

Stability Analysis of Distributed Order Fractional Differential Equations,

hindavi, AAA/175323, Accepted (2011), ISI, in press

32)

The Block AOR Iterative Methods for Solving Fuzzy Linear Systems
H. Saberi Najafi, S.A.Edalatpanah*
The Journal of Mathematics and Computer Science (poland), 4 (4) (2012) 527-533

33)

A Numerical Comparison of Two Different Implementations of GMRES Method
H. Saberi Najafi and H.Zareamoghaddam
Middle-East Journal of Scientific Research 8 (2): 536-540, 2011 ISSN 1990-9233, ISI

34)

Applied Mathematics, 2011, 2, 942-946
Analyzing the Stability of a n-DOF System with Viscous Damping
H.Saberi Najafi , A.H.Refahi Sheikhani

35)

 H. Saberi. Najafi and A.H. Refahi Sheikhani
New computational algorithms for analyzing the stability of the
differential equations ‎system‎, Applications and Applied Mathematics
, An international Journal AAM, 11‎(20‎11‎) ‎1870‎-‎1882.

 

 36)

Fast Iterative Method-FIM: Application to the Convection-
Diffusion Equations
H.SaberiNajafi, S.A.Edalatpanah+

ISSN 1746-7659, England, UK
Journal of Information and Computing Science
Vol. 6, No. 4, 2011, pp. 303-313

37)

Solution to system of partial fractional
differential equations using the fractional
exponential operators
A. Ansaria*†, A. Refahi Sheikhani and H. Saberi Najafi

(wileyonlinelibrary.com) DOI: 10.1002/mma.1545
MOS subject classification: 26A33;33E99;35A22--2011

Mathematical Methods in Applied Sciences - ISI

 

38 ) H.Saberi Najafi, S.A.Edalatpanah

"Comparison analysis for
improving preconditioned SOR-type iterative method".
Numerical Analysis and Applications (Springer), 6(1)(2013) 62-70

39)

H. Saberi Najafi, S. R. Mirshafaei and E. Arsanjani Toroqi

An Approximate Solution of the Mathieu Fractional Equation by
Using the Generalized Differential Transform Method (Gdtm)

Applications and Applied
Mathematics:
An International Journal
(AAM)

Vol. 7, Issue 1 (June 2012), pp. 374 – 384 USA

40)

H.Saberi Najafi, S.A.Edalatpanah

On the Convergence Regions of Generalized Accelerated Overrelaxation
Method for Linear Complementarity Problems
Journal of Optimization Theory and Applications

(Springer), 156(2013) 859-866 (ISI)

41)

H.Saberi Najafi , S.A.Edalatpanah

Modification of
Iterative Methods for Solving Linear Complementarity Problems.
  Engineering Computations. 30(7)(2013) 910-923. (ISI)

42)

IJITCS Vol. 3, No. 5, November 2011, pp. 19-24

On the Two SAOR Iterative Formats for Solving Linear Complementarity Problems
    H.Saberi Najafi,S.A.Edalatpanah  

43)

Iterative Methods with Analytical Preconditioning Technique to Linear Complementarity Problems: Application to Obstacle Problems: application to obstacle problem, RAIRO-Operations Research (France), 47 (2013) 59-71: doi:105/ro/2013027- ISI

H.Saberi Najafi, S.A.Edalatpanah

44)

A Kind of symmetrical iterative methods to solve special class of LCP (M,q), International Journal of Applied Mathematics

and Applications (China), 4(2)(2012) 183-189

H.Saberi, Najafi, S.A.Edalatpanah

45)

Preconditioning strategy to solve fuzzy linear systems (FLS), International Review of Fuzzy Mathematics (Corea), 7(2) (2012) 65-80

H.Saberi Najafi, S.A.Edalatpanah

 46)

Some approaches for using stationary iterative methods to linear equations generated from the boundary element method,    International Journal of Applied Mathematics and Physics, 4(2)(2012) 131-136

H.Saberi Najafi, S.A.Edalatpanah      

 47)

On the Nash eqilibrium solution of fuzzy bimatrix games, International Journal of Fuzzy Systems and Rough Systems,    5(2)(2012) 93-97.

H.Saberi Najafi, S.A.Edalatpanah                   

 48)

On application of Liao;s method for system of linear equations, Ain Shams. Eng. J., (Elsevier) ),4(2013) 501-505

H.Saberi Najafi, S.A.Edalatpanah          

49)

An Improved Model for Iterative Algorithms in Fuzzy Linear Systems, Computational Mathematics and Modeling, Springer,   , 24(2013)443-451

H.Saberi Najafi, S.A.Edalatpanah                   

50)

A Note on "A new method for solving fully Fuzzy linear programming problems". Applied Mathematical Modeling (Elsevier),

37 (2013), 7865-7867. (ISI)

H.saberi Najafi, S.A.Edalatpanah     

51)

     A New Modified SSOR Iteration Method for Solving Augmented Linear Systems,        International Journal of Computer Mathematics,  UK,     Int. J. Comput. Math. 91(2014), 539–552 (ISI)

H.Saberi Najafi, S.A.Edalatpanah                  

52 )   H. Saberi Najafi, S.A. Edalatpanad , New Model for Preconditioning Techniques with Application to the Boundary Value Problems, Journal of Advanced Research in Computer Engineering: An International Journal , 6(2)(2012) 107-114.

53) H.S. Najafi and S.A. Edalatpanad, Two stage mixed-type splitting iterative methods with applications, J. Taibah Univ. Sci., 7(2013),35-43 (Elsevier).

54) H. Saberi Najafi, S. A. Edalatpanad , Convergence analysis for double splitting of matrices, Inform. Sci. Comput.(2013),Number 2, Article ID: ISC030713, 06 pages.

55) H. Saberi Najafi, S. A. Edalatpanad , SOR-Like Methods for Non-Hermitian Positive Definite Linear Complementarity Problems, Advanced Modeling and Optimization , (2013)15(3), 697-704

56) H. Saberi Najafi, S. A. Edalatpanah, and A. H. Refahi Sheikhani, Application of Homotopy Perturbation Method for Fuzzy Linear Systems and Comparison with Adomian’s Decomposition Method, Chinese Journal of Mathematics, vol. 2013, Article ID 584240, 7 pages, 2013. doi:10.1155/2013/584240

57) H. Saberi Najafi, S. A. Edalatpanah, A. H. Refahi Sheikhani, A new model of (I+S)-type preconditioner for system of linear equations. Journal of Mathematical Modeling , 1(2013) 1-14.

58) H. Saberi Najafi, S. A. Edalatpanad , A collection of new preconditioners for solving linear systems, Scientific Research and Essays, (2013)8(31), 1522-1531. (ISI)

59) H. Saberi Najafi, H.Aminikhah, S. A. Edalatpanah, Legendre wavelets collocation method for systems of linear and nonlinear Fredholm integral equations, Aloy Journal of Soft Computing and Applications. Accepted (2014).

60) H. Saberi Najafi, S. A. Edalatpanah, N. Vosoughi, A discussion on the practicability of an analytical method for solving system of linear equations, American Journal of Numerical Analysis 2(3) (2014) 76-78.

61) H. Saberi Najafi, S. A. Edalatpanah, on the modified symmetric successive overrelaxation method for augmented systems. Computational and Applied Mathematics,(2014) doi:10.1007/s40314-014-0127-x (ISI)

62) H. Saberi Najafi, S. A. Edalatpanah, Homotopy perturbation method for linear programming Problems , Appl. Math. Model ,38(2014), 1607-1611.(ISI)

63) H. Saberi Najafi, S. A. Edalatpanah, A. H. Refahi Sheikhani Convergence analysis of modified iterative methods to solve linear systems , Mediterr. J. Math. 11 (2014), 1019–1032 (ISI)

64) H. Saberi Najafi, S. A. Edalatpanah, A new family of (I+S)-type preconditioner with some applications, Computational and Applied Mathematics, (2014), doi:10.1007/s40314-014-0161-8(ISI)

65) H. Saberi Najafi, S. A. Edalatpanah, G.A. Gravvanis, An efficient method for computing the inverse of arrowhead matrices. Applied Mathematics Letters, 33 (2014) 1-5. (ISI)

66) H.Saberi NajafiS.A. Edalatpanah, H--Matrices in Fuzzy Linear Systems,

Hindawi Publishing CorporationInternational Journal of Computational Mathematics Volume 2014, Article ID 394135, 6 pages http://dx.doi.org/10.1155/2014/394135

 67) H.. Saberi Najafi,1 S. A. Edalatpanah,1 and S. Shahabi2, The Mixed Type Splitting Methods for Solving Fuzzy Linear Systems.  Hindawi Publishing CorporationApplied Computational Intelligence and So Computing Volume 2014, Article ID 960795, 7 pages http://dx.doi.org/10.1155/2014/960795

 68) H. Saberi Najafi, S. A. Edalatpanah, and A. H. Refahi Sheikhani,  Application of Homotopy Perturbation Method for Fuzzy Linear Systems and Comparison with Adomian’s Decomposition Method

Hindawi Publishing CorporationChinese Journal of MathematicsVolume 2013, Article ID 584240, 7 pages http://dx.doi.org/10.1155/2013/584240

 



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