31 search results - page 3 / 7 » Optimal Approximation of Elliptic Problems II: Wavelet Metho... |
TSP
2008
14 years 9 months ago
2008
The two-band discrete wavelet transform (DWT) provides an octave-band analysis in the frequency domain, but this might not be "optimal" for a given signal. The discrete w...
ESANN
2006
14 years 11 months ago
2006
The purpose of this study is to identify the Hierarchical Wavelet Neural Networks (HWNN) and select important input features for each sub-wavelet neural network automatically. Base...
JCP
2007
14 years 9 months ago
2007
Abstract— Data synopsis is a lossy compressed representation of data stored into databases that helps the query optimizer to speed up the query process, e.g. time to retrieve the...
EDBT
2006
ACM
15 years 9 months ago
2006
ACM
Recent years have seen growing interest in effective algorithms for summarizing and querying massive, high-speed data streams. Randomized sketch synopses provide accurate approxima...
SIAMCO
2000
14 years 9 months ago
2000
It is shown here that stability of the stochastic approximation algorithm is implied by the asymptotic stability of the origin for an associated ODE. This in turn implies convergen...