Abstract
By linear approximation we understand approximation from a fixed finite-dimensional subspace. In the study of approximation of the univariate periodic functions the idea of representing a function by its Fourier series is very natural and traditional.
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Dũng, D., Temlyakov, V., Ullrich, T. (2018). Linear Approximation. In: Tikhonov, S. (eds) Hyperbolic Cross Approximation. Advanced Courses in Mathematics - CRM Barcelona. Birkhäuser, Cham. https://doi.org/10.1007/978-3-319-92240-9_4
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DOI: https://doi.org/10.1007/978-3-319-92240-9_4
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