Abstract
We present the local and semi-local convergence analysis of the cubically convergent harmonic mean Newton method (HNM) for obtaining solutions of Banach space valued nonlinear operator equations. The significance of this work is that the convergence study needs only the condition that the first-order Fréchet derivative obeys \(\omega \) continuity. Moreover, we avoid using higher order derivatives, which do not occur in this scheme. The dynamical properties of the scheme are also explored using basins of attraction technique for various complex polynomials. Finally, the convergence radii for benchmark numerical problems are computed applying our analytical results.
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Argyros, I.K., Sharma, D., Argyros, C.I. et al. On the Convergence of Harmonic Mean Newton Method Under \(\omega \) Continuity Condition in Banach Spaces. Int. J. Appl. Comput. Math 7, 219 (2021). https://doi.org/10.1007/s40819-021-01159-3
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DOI: https://doi.org/10.1007/s40819-021-01159-3
Keywords
- Harmonic mean Newton method
- Semi-local convergence
- Local convergence
- \(\omega \) continuity condition
- Attraction Basin