Smoothest interpolation with boundary conditions in $W^3_2[a,b]$

ЗаглавиеSmoothest interpolation with boundary conditions in $W^3_2[a,b]$
Вид публикацияJournal Article
Година на публикуване2019
АвториIvanova V, Uluchev R
СписаниеAnnuaire de l’Université de Sofia “St. Kliment Ohridski”. Faculté de Mathématiques et Informatique
Том106
Start Page153
Pagination153-174
ISSN1313-9215 (Print) 2603-5529 (Online)
ключови думиBirkhoff interpolation, Smoothest interpolation, splines
Резюме

We study the problem on the smoothest interpolant with boundary conditions in the Sobolev space $W^3_2[a,b]$. Characterization and uniqueness of the best interpolant with free knots of interpolation, satisfying boundary conditions, are proved. Based on our proofs we present an algorithm for finding the unique oscillating spline interpolant. Numerical results are given.

DOI10.60063/GSU.FMI.106.153-174
2010 MSC

65D05, 65D07

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