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Letter to the editor - MaRDI portal

Letter to the editor (Q5966477)

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scientific article; zbMATH DE number 4076441
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Letter to the editor
scientific article; zbMATH DE number 4076441

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    Letter to the editor (English)
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    1989
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    Counterexample to and correction of the construction of rational Bézier sphere patches presented by \textit{L. Piegl} [ibid. 3, 45-52 (1986; Zbl 0631.65013)].
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    computer aided design
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    quadric primitives
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    cross-ratio
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    computer geometry
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    rational Bézier surfaces
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    rational Bézier approximation
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    surfaces
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    Bézier net
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    Bernstein polynomials
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    spherical shape modeling
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    Counterexample
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    rational Bézier sphere patches
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