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Synopsis
We study the approximation of functions defined on different domains by trigonometric and transformed trigonometric functions. We investigate which of the many results known from the approximation theory on the d-dimensional torus can be transfered to other domains. We define invertible parameterized transformations and prove conditions under which functions from a weighted Sobolev space can be transformed into functions defined on the torus, that still have a certain degree of Sobolev smoothness and for which we know worst-case upper error bounds. By reverting the initial change of variables we transfer the fast algorithms based on rank-1 lattices used to approximate functions on the torus efficiently over to other domains and obtain adapted FFT algorithms.
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Efficient multivariate approximation with transformed rank-1 lattices
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Taschenbuch. Etat : Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - We study the approximation of functions defined on different domains by trigonometric and transformed trigonometric functions. We investigate which of the many results known from the approximation theory on the d-dimensional torus can be transfered to other domains. We define invertible parameterized transformations and prove conditions under which functions from a weighted Sobolev space can be transformed into functions defined on the torus, that still have a certain degree of Sobolev smoothness and for which we know worst-case upper error bounds. By reverting the initial change of variables we transfer the fast algorithms based on rank-1 lattices used to approximate functions on the torus efficiently over to other domains and obtain adapted FFT algorithms. N° de réf. du vendeur 9783961001613
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Efficient multivariate approximation with transformed rank-1 lattices
impression à la demandeVendeur : BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, Allemagne
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Taschenbuch. Etat : Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -We study the approximation of functions defined on different domains by trigonometric and transformed trigonometric functions. We investigate which of the many results known from the approximation theory on the d-dimensional torus can be transfered to other domains. We define invertible parameterized transformations and prove conditions under which functions from a weighted Sobolev space can be transformed into functions defined on the torus, that still have a certain degree of Sobolev smoothness and for which we know worst-case upper error bounds. By reverting the initial change of variables we transfer the fast algorithms based on rank-1 lattices used to approximate functions on the torus efficiently over to other domains and obtain adapted FFT algorithms. 104 pp. Englisch. N° de réf. du vendeur 9783961001613
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Efficient multivariate approximation with transformed rank-1 lattices
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Taschenbuch. Etat : Neu. Efficient multivariate approximation with transformed rank-1 lattices | Robert Nasdala | Taschenbuch | Englisch | Universitätsverlag Chemnitz | EAN 9783961001613 | Verantwortliche Person für die EU: Universitätsverlag Chemnitz, Straße der Nationen 33, 09111 Chemnitz, uni-verlag[at]bibliothek[dot]tu-chemnitz[dot]de | Anbieter: preigu. N° de réf. du vendeur 121615846
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