Geodesic
On conditions for the convexity of splines with respect to three-point rational interpolants
Daghestan Electronic Mathematical Reports, Tome 8 (2017), pp. 1-6.

Voir la notice de l'article provenant de la source Math-Net.Ru

Sufficient conditions for the convexity of splines for three-point rational interpolants are established.
Keywords: interpolation splines, rational splines, convex interpolation. 
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A.-R. K. Ramazanov; V. G. Magomedova. On conditions for the convexity of splines with respect to three-point rational interpolants. Daghestan Electronic Mathematical Reports, Tome 8 (2017), pp. 1-6. http://geodesic.mathdoc.fr/item/DEMR_2017_8_a0/

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