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A modified Clough-Tocher interpolant - MaRDI portal

A modified Clough-Tocher interpolant (Q1071471)

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scientific article; zbMATH DE number 3940592
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A modified Clough-Tocher interpolant
scientific article; zbMATH DE number 3940592

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    A modified Clough-Tocher interpolant (English)
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    1985
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    The Clough-Tocher interpolant is a standard scheme for scattered data interpolation. For its mostly used form one has to estimate so-called cross-boundary derivatives. This is usually done by ''condensation of parameters''; the present paper suggests a different method. It is based on minimizing jump discontinuities in the second derivatives. As a verification method, so-called reflection lines are simulated.
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    surfaces
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    triangular interpolants
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    Bernstein-Bézier polynomials
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    Bézier methods
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    Clough-Tocher interpolant
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    scattered data interpolation
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    condensation of parameters
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    reflection lines
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