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Scattered data interpolation by bivariate C1-piecewise quadratic functions

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Approximation Theory and its Applications

Abstract

In this paper, we propose a completely local scheme based on continuously differentiable quadratic piecewise polynomials for interpolating scattered positional data in the plane, in such a way that quadratic polynomials are reproduced exactly. We present some numerical examples and applications to contour plotting.

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Dahmen, W., Gmelig Meyling, R.H.J. & Ursem, J.H.M. Scattered data interpolation by bivariate C1-piecewise quadratic functions. Approx. Theory & its Appl. 6, 6–29 (1990). https://doi.org/10.1007/BF02836093

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  • DOI: https://doi.org/10.1007/BF02836093

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