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doi: 10.3390/math8030452
In the recent literature, some fractional one-point Newton-type methods have been proposed in order to find roots of nonlinear equations using fractional derivatives. In this paper, we introduce a new fractional Newton-type method with order of convergence α + 1 and compare it with the existing fractional Newton method with order 2 α . Moreover, we also introduce a multipoint fractional Traub-type method with order 2 α + 1 and compare its performance with that of its first step. Some numerical tests and analysis of the dependence on the initial estimations are made for each case, including a comparison with classical Newton ( α = 1 of the first step of the class) and classical Traub’s scheme ( α = 1 of fractional proposed multipoint method). In this comparison, some cases are found where classical Newton and Traub’s methods do not converge and the proposed methods do, among other advantages.
convergence, fractional derivatives, multistep methods, Fractional derivatives, stability, Nonlinear equations, nonlinear equations, QA1-939, Convergence, MATEMATICA APLICADA, Stability, Mathematics, Multistep methods
convergence, fractional derivatives, multistep methods, Fractional derivatives, stability, Nonlinear equations, nonlinear equations, QA1-939, Convergence, MATEMATICA APLICADA, Stability, Mathematics, Multistep methods
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