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Extended Kung-Traub-type method for solving equations. (English) Zbl 1491.65036

Summary: We are motivated by a Kung-Traub-type method for solving equations on the real line. In particular, we extend this method for Banach space valued operators. The radius of convergence is also obtained as well as error bounds on the distances involved and a uniqueness result. Our convergence analysis avoids Taylor expansions and the computation of higher order than one derivatives.

MSC:

65H05 Numerical computation of solutions to single equations
65J15 Numerical solutions to equations with nonlinear operators

References:

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