Fachgruppe Mathematik: Auflistung Fachgruppe Mathematik nach Schlagwort "complexity"
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Approximation of two-variate functions: singular value decomposition versus sparse grids
Griebel, Michael; Harbrecht, Helmut (2011)We compare the cost complexities of two approximation schemes for functions <em>f</em> ∈ <em>H<sup>p</sup></em>(<em>Ω</em><sub>1</sub> × <em>Ω</em><sub>2</sub>) which live on the product domain <em>Ω</em><sub>1</sub> × ... -
Efficient solution of ill-posed integral equations through averaging
Griebel, Michael; Jahn, Tim (2024-01)This paper discusses the error and cost aspects of ill-posed integral equations when given discrete noisy point evaluations on a fine grid. Standard solution methods usually employ discretization schemes that are directly ... -
Singular value decomposition versus sparse grids: Refined complexity estimates
Griebel, Michael; Harbrecht, Helmut (2017)We compare the cost complexities of two approximation schemes for functions which live on the product domain <em>Ω<sub>1</sub></em> × <em>Ω<sub>2</sub></em> of sufficiently smooth domains <em>Ω<sub>1</sub></em> ⊂ ...