Nonnegativity Preserving Interpolation by C1 Bivariate Rational Spline Surface

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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Bibliographic Details
Main Authors:	Xingxuan Peng, Zhihong Li, Qian Sun
Format:	Article
Language:	English
Published:	Wiley 2012-01-01
Series:	Journal of Applied Mathematics
Online Access:	http://dx.doi.org/10.1155/2012/624978
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