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DAGSTUHL
2006
13 years 7 months ago
Probabilistically Stable Numerical Sparse Polynomial Interpolation
We consider the problem of sparse interpolation of a multivariate black-box polynomial in floating-point arithmetic. That is, both the inputs and outputs of the black-box polynomia...
Mark Giesbrecht, George Labahn, Wen-shin Lee
FGCS
2006
119views more  FGCS 2006»
13 years 5 months ago
OpenMP versus MPI for PDE solvers based on regular sparse numerical operators
Tw o parallel programming models represented b y OpenMP and MPI are compared for PDE solvers based on regular sparse numerical operators. As a typical representative of such an app...
Markus Nordén, Sverker Holmgren, Michael Th...
PKDD
2010
Springer
169views Data Mining» more  PKDD 2010»
13 years 3 months ago
Efficient and Numerically Stable Sparse Learning
We consider the problem of numerical stability and model density growth when training a sparse linear model from massive data. We focus on scalable algorithms that optimize certain...
Sihong Xie, Wei Fan, Olivier Verscheure, Jiangtao ...
SIAMNUM
2011
139views more  SIAMNUM 2011»
13 years 21 days ago
Adaptive Wavelet Schemes for Parabolic Problems: Sparse Matrices and Numerical Results
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...
Nabi Chegini, Rob Stevenson
QNS
1996
13 years 7 months ago
Case studies on the development of ScaLAPACK and the NAG Numerical PVM Library
In this paper we look at the developmentof ScaLAPACK, a software library for dense and banded numerical linear algebra, and the NAG Numerical PVM Library, which includes software ...
Jack Dongarra, Sven Hammarling, Antoine Petitet