Sergienko, IvanLytvyn, Oleg M.Lytvyn, Oleg O.Tkachenko, AlexandrGrytsai, Olga2016-11-182016-11-182016Isogeometric Approximation Methods Using the Interlineation Operators / I. Sergienko [et al.] // Nonlinear Dynamics–2016 (ND-KhPI2016) : proceedings of 5th International Conference, dedicated to the 90th anniversary of Academician V. L. Rvachev, September 27-30, 2016 = Нелінійна динаміка–2016 : тези доп. 5-ї Міжнар. конф., 27-30 вересня 2016 р. – Kharkov : NTU "KhPI", 2016. – P. 471-476.https://repository.kpi.kharkov.ua/handle/KhPI-Press/24729Interlineation of functions of two or more variables is approximation of the functions by their traces or traces of some differential operators on the fixed system of lines. The given paper presents the analysis of the building methods of interlineation operators, that preserve the differentiability class and have the same traces as the approximated function.enapproximationpreservation classinterlineationArticle