573 search results - page 25 / 115 » On Wiedemann's Method of Solving Sparse Linear Systems |
IJCM
2007
13 years 9 months ago
2007
We present splitting methods for numerically solving a certain class of explicitly time-dependent linear differential equations. Starting from an efficient method for the autonom...
ICA
2007
Springer
14 years 27 days ago
2007
Springer
We propose a new method for estimating the mixing matrix, A, in the linear model x(t) = As(t), t = 1, . . . , T, for the problem of underdetermined Sparse Component Analysis (SCA)....
SIAMJO
2000
13 years 8 months ago
2000
Abstract. Despite the efficiency shown by interior-point methods in large-scale linear programming, they usually perform poorly when applied to multicommodity flow problems. The ne...
ICASSP
2008
IEEE
14 years 3 months ago
2008
IEEE
In this paper, we investigate the application of compressive sensing and waveform design for estimating linear time-varying system characteristics. Based on the fact that the spre...
STOC
2007
ACM
14 years 9 months ago
2007
ACM
We consider the problem of solving a symmetric, positive definite system of linear equations. The most well-known and widely-used method for solving such systems is the preconditi...