15 search results - page 1 / 3 » Pivot-Free Block Matrix Inversion |
SYNASC
2006
IEEE
14 years 1 months ago
2006
IEEE
We present a pivot-free deterministic algorithm for the inversion of block matrices. The method is based on the Moore-Penrose inverse and is applicable over certain general classe...
ISSAC
2007
Springer
14 years 1 months ago
2007
Springer
UAI
2008
13 years 8 months ago
2008
Gaussian Markov random fields (GMRFs) are useful in a broad range of applications. In this paper we tackle the problem of learning a sparse GMRF in a high-dimensional space. Our a...
ICCAD
2006
IEEE
14 years 4 months ago
2006
IEEE
Most existing RCL−1 circuit reductions stamp inverse inductance L−1 elements by a second-order nodal analysis (NA). The NA formulation uses nodal voltage variables and describ...
OL
2008
13 years 7 months ago
2008
Abstract Manyeconomicmodels andoptimizationproblems generate(endogenous) shadow prices--alias dual variables or Lagrange multipliers. Frequently the "slopes" of resulting...