Nonnegativity Preserving Interpolation by C1 Bivariate Rational Spline Surface
This paper is concerned with the nonnegativity preserving interpolation of data on rectangular grids. The function is a kind of bivariate rational interpolation spline with parameters, which is C1 in the whole interpolation region. Sufficient conditions are derived on coefficients in the rational sp...
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Main Authors: | Xingxuan Peng, Zhihong Li, Qian Sun |
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Format: | Article |
Language: | English |
Published: |
Wiley
2012-01-01
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Series: | Journal of Applied Mathematics |
Online Access: | http://dx.doi.org/10.1155/2012/624978 |
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