The apolar bilinear form in geometric modeling
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Abstract:
Some recent methods of Computer Aided Geometric Design are related to the apolar bilinear form, an inner product on the space of homogeneous multivariate polynomials of a fixed degree, already known in 19th century invariant theory. Using a generalized version of this inner product, we derive in a straightforward way some of the recent results in CAGD, like Marsden’s identity, the expression for the de Boor-Fix functionals, and recursion schemes for the computation of B-patches and their derivatives.References
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Additional Information
- Gert Vegter
- Affiliation: Department of Mathematics and Computing Science, University of Groningen, P.O. Box 800, 9700 AV Groningen, The Netherlands
- Email: gert@cs.rug.nl; http://www.cs.rug.nl/~gert
- Received by editor(s): April 30, 1998
- Published electronically: April 28, 1999
- © Copyright 2000 American Mathematical Society
- Journal: Math. Comp. 69 (2000), 691-720
- MSC (1991): Primary 41A15, 65D17; Secondary 65D07, 41A63
- DOI: https://doi.org/10.1090/S0025-5718-99-01144-8
- MathSciNet review: 1654006