A regularization method for polynomial approximation of functions from their approximate values at nodes

DOI10.1515/JNUM.2009.007zbMath1175.65153MaRDI QIDQ5191624

Andrés Fraguela Collar, R. C. Castillo, Jorge Bustamante González

Publication date: 7 August 2009

Published in: Journal of Numerical Mathematics (Search for Journal in Brave)

zbMATH Keywords

error estimatesnumerical examplesregularization methodill-posed problemtrigonometric approximationperiodic functionsapproximate valuesdiscrete convolution operatordiscrete Fourier sum operator

Mathematics Subject Classification ID

Numerical smoothing, curve fitting (65D10) Trigonometric approximation (42A10) Numerical methods for trigonometric approximation and interpolation (65T40)

Cites Work

• Approximation by boolean sums of positive linear operators III: Estimates for some numerical approximation schemes
• A regularization method for the function reconstruction from approximate average fluxes

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