Atomic Functions: the History of the Formation, Development and Practical Application

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dc.contributor.authorKolodyazhny, V. M.en
dc.date.accessioned2016-11-21T08:33:58Z
dc.date.available2016-11-21T08:33:58Z
dc.date.issued2016
dc.description.abstractAtomic functions are infinitely differentiable compactly supported solutions of functional differential equations of a special type. After the first successful building of the functions performed by VL Rvachev and VA Rvachev in the 70s of the previous century, different classes of the atomic functions of one and several variables were studied, which have found application in the solution of various problems of mathematical analysis and mathematical modeling of practical problems. Generalization of atomic functions to the case of several variables associated with the expansion of their possible application to solving boundary value problems in partial derivatives had been considered, in particular, and the development of new methods for the numerical solution of such tasks. Mathematical tools based on atomic functions of several variables have the necessary properties of universality and locality, to be requested in the practice of numerical solutions of boundary value problems. The study of functional differential equations, which are used for their formation other differential operators, fo rexample, Laplace, Helmholtz, biharmonic operators et al., leads to the construction of the special form of atomic functions. The atomic functions form the classes radial basis functions that allow you to develop on their basis meshless scheme of solving boundary value problems. In comparison with the known radial basis functions atomic radial basis functions have advantages, namely, are infinitely smooth, satisfy the functional-differential equation, effectively computable, have explicit formulas for the calculation of the Fourier transform.en
dc.identifier.citationKolodyazhny V. M. Atomic Functions: the History of the Formation, Development and Practical Application / V. M. Kolodyazhny // 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. 424.en
dc.identifier.urihttps://repository.kpi.kharkov.ua/handle/KhPI-Press/24749en
dc.language.isoen
dc.publisherNTU "KhPI"en
dc.subjectatomic functionsen
dc.subjectradial basis functionsen
dc.subjectmeshless methodsen
dc.titleAtomic Functions: the History of the Formation, Development and Practical Applicationen
dc.typeThesisen

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Nonlinear Dynamics–2016