6 search results - page 1 / 2 » Sparse Tensor Product Wavelet Approximation of Singular Func... |
SIAMMA
2010
12 years 11 months ago
2010
Abstract. On product domains, sparse-grid approximation yields optimal, dimension-independent convergence rates when the function that is approximated has L2-bounded mixed derivati...
TIP
2011
12 years 12 months ago
2011
The Easy Path Wavelet Transform (EPWT) has recently been proposed by one of the authors as a tool for sparse representations of bivariate functions from discrete data, in particul...
SIAMNUM
2011
12 years 12 months ago
2011
A simultaneous space-time variational formulation of a parabolic evolution problem is solved with an adaptive wavelet method. This method is shown to converge with the best possibl...
ICA
2012
Springer
12 years 14 days ago
2012
Springer
A novel tensor decomposition called pattern or P-decomposition is proposed to make it possible to identify replicating structures in complex data, such as textures and patterns in ...
SIAMMAX
2011
12 years 7 months ago
2011
Higher-order tensors are used in many application fields, such as statistics, signal processing, and scientific computing. Efficient and reliable algorithms for manipulating thes...