A new convergence analysis for the two-step Newton Method for order three

Ioannis Argyros, S. K. Khattri


We present a tighter than before semilocal convergence analysis for the two-step Newton method of order three using recurrent functions.
Numerical examples are also provided to show that our convergence criteria are satisfied but earlier studies such as in nine, thirteen, fifteen are not satisfied.

Palabras clave

Two-step Newton method ; Newton’s method ; Banach space ; Kantorovich hypothesis ; Majorizing sequence ; Lipschitz/centerLipschitz conditions.

Texto completo:



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DOI: http://dx.doi.org/10.4067/S0716-09172013000100006

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