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piecewise cubic quasi-interpolants on a 6-direction mesh

✍ Scribed by O. Davydov; P. Sablonnière


Book ID
108159096
Publisher
Elsevier Science
Year
2010
Tongue
English
Weight
706 KB
Volume
162
Category
Article
ISSN
0021-9045

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On near-best discrete quasi-interpolatio
✍ D. Barrera; M.J. Ibáñez; P. Sablonnière; D. Sbibih 📂 Article 📅 2010 🏛 Elsevier Science 🌐 English ⚖ 538 KB

Spline quasi-interpolants are practical and effective approximation operators. In this paper, we construct QIs with optimal approximation orders and small infinity norms called nearbest discrete quasi-interpolants which are based on Ω-splines, i.e. B-splines with octagonal supports on the uniform fo