Running error for the evaluation of rational Bézier surfaces |
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| Authors: | J. Delgado |
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| Affiliation: | a Departamento de Matemática Aplicada, Escuela Universitaria Politécnica de Teruel, Universidad de Zaragoza, Spain
b Departamento de Matemática Aplicada, Universidad de Zaragoza, Spain |
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| Abstract: | Error analysis of the usual method to evaluate rational Bézier surfaces is performed. The corresponding running error analysis is also carried out and the sharpness of our running error bounds is shown. We also modify the evaluation algorithm to include such error bounds without increasing significantly its computational cost. |
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| Keywords: | 65G50 65D17 41A20 |
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