Exact value of widths of a certain class of solutions of linear differential equations

DOI10.1007/BF02633194zbMath0645.41020OpenAlexW75339013MaRDI QIDQ1103136

I. N. Volodina

Publication date: 1985

Published in: Analysis Mathematica (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/bf02633194

zbMATH Keywords

widthFourier series

Mathematics Subject Classification ID

Periodic solutions to ordinary differential equations (34C25) Trigonometric approximation (42A10) Best approximation, Chebyshev systems (41A50) Approximation by arbitrary nonlinear expressions; widths and entropy (41A46)

Related Items (2)

Approximation by local trigonometric splines ⋮ Diameters of a class of periodic functions defined by a differential operator

Cites Work

• Über die beste Annäherung von Funktionen einer gegebenen Funktionenklasse
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