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Interpolation by bivariate quadratic splines on a four-directional mesh

✍ Scribed by Th. Riessinger


Publisher
Springer Vienna
Year
1992
Tongue
English
Weight
463 KB
Volume
49
Category
Article
ISSN
0010-485X

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On near-best discrete quasi-interpolatio
✍ D. Barrera; M.J. IbÑñez; P. SablonniΓ¨re; D. Sbibih πŸ“‚ Article πŸ“… 2010 πŸ› Elsevier Science 🌐 English βš– 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