Approximation by max-min operators: A general theory and its applications

Abstract In this study, we obtain a general approximation theorem for max-min operators including many significant applications. We also study the error estimation in this approximation by using Holder continuous functions. The main motivation for this work is the paper by Bede et al. (2008) [12] . As a special case of our results, we explain how to approximate nonnegative continuous functions of one and two variables by means of the max-min Shepard operators. We also study the approximation by the max-min Bernstein operators. Furthermore, to verify the theory we display graphical illustrations.

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