An Efficient Optimal Derivative-Free Fourth-Order Method and Its Memory Variant for Non-Linear Models and Their Dynamics
Open Access
- 22 March 2023
- journal article
- research article
- Published by MDPI AG in Mathematical and Computational Applications
- Vol. 28 (2), 48
- https://doi.org/10.3390/mca28020048
Abstract
We propose a new optimal iterative scheme without memory free from derivatives for solving non-linear equations. There are many iterative schemes existing in the literature which either diverge or fail to work when . However, our proposed scheme works even in these cases. In addition, we extended the same idea for iterative methods with memory with the help of self-accelerating parameters estimated from the current and previous approximations. As a result, the order of convergence increased from four to seven without the addition of any further functional evaluation. To confirm the theoretical results, numerical examples and comparisons with some of the existing methods are included which reveal that our scheme is more efficient than the existing schemes. Furthermore, basins of attraction are also included to describe a clear picture of the convergence of the proposed method as well as some of the existing methods.
Keywords
Funding Information
- Deanship of Scientific Research (DSR) at King Abdulaziz University, Jeddah, Saudi Arabia (KEP-MSc-58-130-43)
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