2631 search results - page 4 / 527 » A Practical Method for the Sparse Resultant |
CORR
2010
Springer
13 years 5 months ago
2010
Springer
The CUR decomposition provides an approximation of a matrix X that has low reconstruction error and that is sparse in the sense that the resulting approximation lies in the span o...
PKDD
2010
Springer
13 years 6 months ago
2010
Springer
Abstract. Principal component analysis (PCA) and its dual—principal coordinate analysis (PCO)—are widely applied to unsupervised dimensionality reduction. In this paper, we sho...
VTC
2008
IEEE
14 years 2 months ago
2008
IEEE
— In this paper, a new method for AOA estimation, based on the synthetic ESPRIT algorithm is described and tested with actual CDMA signals. Physical size constraints of handheld ...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
This paper presents a novel time-adaptive estimation technique by revisiting the classical Wiener-Hopf equation. Any convex and not necessarily differentiable function can be used...
SODA
2012
ACM
11 years 10 months ago
2012
ACM
We consider the sparse Fourier transform problem: given a complex vector x of length n, and a parameter k, estimate the k largest (in magnitude) coefficients of the Fourier transf...