An Iterative Algorithm for Approximating the Fixed Point of a Contractive Affine Operator

María Isabel Berenguer and Manuel Ruiz Galán
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María Isabel Berenguer: Department of Applied Mathematics, E.T.S. Ingeniería de Edificación, University of Granada, 18071 Granada, Spain
Manuel Ruiz Galán: Department of Applied Mathematics, E.T.S. Ingeniería de Edificación, University of Granada, 18071 Granada, Spain

Mathematics, 2022, vol. 10, issue 7, 1-10

Abstract: First of all, in this paper we obtain a perturbed version of the geometric series theorem, which allows us to present an iterative numerical method to approximate the fixed point of a contractive affine operator. This result requires some approximations that we obtain using the projections associated with certain Schauder bases. Next, an algorithm is designed to approximate the solution of Fredholm’s linear integral equation, and we illustrate the behavior of the method with some numerical examples.

Keywords: iterative numerical methods; Schauder bases; Fredholm integral equation (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2022
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