Numerical Algorithms

, Volume 70, Issue 4, pp 835–845 | Cite as

On the construction of some tri-parametric iterative methods with memory

  • Taher Lotfi
  • Fazlollah Soleymani
  • Mohammad Ghorbanzadeh
  • Paria Assari
Original Paper


In this work, two-step methods with memory by applying three self-accelerator parameters are proposed and analyzed. In fact, we hit the high bound \(7.77200^{\frac {1}{3}}\approx 1.98082\) as the efficiency index. Theoretical results are then supported by numerical examples.


Tri-parametric Self-accelerator R-order With memory 

Mathematics Subject Classification (2010)



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Copyright information

© Springer Science+Business Media New York 2015

Authors and Affiliations

  • Taher Lotfi
    • 1
  • Fazlollah Soleymani
    • 1
  • Mohammad Ghorbanzadeh
    • 2
  • Paria Assari
    • 1
  1. 1.Department of Mathematics, Hamedan BranchIslamic Azad UniversityHamedanIran
  2. 2.Department of MathematicsImam Reza International UniversityMashhadIran

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