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Comparison of Shepard’s Like Methods with Different Basis Functions

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Abstract

The problem of reconstruction of an unknown function from a finite number of given scattered data is well known and well studied in approximation theory. The methods developed with this goal are several and are successfully applied in different contexts. Due to the need of fast and accurate approximation methods, in this paper we numerically compare some variation of the Shepard method obtained by considering different basis functions.

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Acknowledgments

This work was partially supported by the INdAM-GNCS 2019 research project “Kernel-based approximation, multiresolution and subdivision methods and related applications”. This research has been accomplished within RITA (Research ITalian network on Approximation).

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Correspondence to Filomena Di Tommaso .

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Dell’Accio, F., Di Tommaso, F., Gonnelli, D. (2020). Comparison of Shepard’s Like Methods with Different Basis Functions. In: Sergeyev, Y., Kvasov, D. (eds) Numerical Computations: Theory and Algorithms. NUMTA 2019. Lecture Notes in Computer Science(), vol 11973. Springer, Cham. https://doi.org/10.1007/978-3-030-39081-5_6

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  • DOI: https://doi.org/10.1007/978-3-030-39081-5_6

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