Extending the Applicability of Stirling's Method
Autor:
Amorós, Cristina (1)
; Argyros, Ioannis K
; Magreñán, Á. Alberto
; Regmi, Samundra
; González-Crespo, Rubén (1)
; Sicilia, Juan Antonio (1)
Fecha:
01/2020Palabra clave:
Tipo de Ítem:
Articulo Revista IndexadaDirección web:
https://www.mdpi.com/2227-7390/8/1/35
Resumen:
Stirling's method is considered as an alternative to Newton's method when the latter fails to converge to a solution of a nonlinear equation. Both methods converge quadratically under similar convergence criteria and require the same computational effort. However, Stirling's method has shortcomings too. In particular, contractive conditions are assumed to show convergence. However, these conditions limit its applicability. The novelty of our paper lies in the fact that our convergence criteria do not require contractive conditions. Hence, we extend its applicability of Stirling's method. Numerical examples illustrate our new findings.
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