Abstract
We apply the Secant method to solve nonlinear operator equations in Banach spaces. We establish a Newton-Kantorovich convergence theorem using a new system of recurrence relations and give an explicit expression for the a priori error bounds. Moreover, we apply our results to the numerical resolution of a nonlinear boundary value problem of second order and improve the error bounds obtained by other authors.
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Supported in part by a grant of the DGES (PB-96-0120-C03-02) and a grant of the University of La Rioja API-98/B12.
Supported in part by a grant of the DGES (PB-96-0120-C03-02) and a grant of the University of La Rioja API-98/B12.
Notes
Supported in part by a grant of the DGES (PB-96-0120-C03-02) and a grant of the University of La Rioja API-98/B12.