332 search results - page 17 / 67 » Convexity, Duality and Effects |
RAM
2008
IEEE
14 years 2 months ago
2008
IEEE
This paper presents an algorithm for computing the distance between a point and a convex cone in n-dimensional space. The convex cone is specified by the set of all nonnegative com...
CORR
2007
Springer
13 years 7 months ago
2007
Springer
Abstract— We develop a general framework for MAP estimation in discrete and Gaussian graphical models using Lagrangian relaxation techniques. The key idea is to reformulate an in...
SIAMNUM
2010
13 years 2 months ago
2010
Infimizing sequences in nonconvex variational problems typically exhibit enforced finer and finer oscillations called microstructures such that the infimal energy is not attained. ...
ICASSP
2009
IEEE
13 years 11 months ago
2009
IEEE
Broadband data-independent beamforming designs aiming at constant beamwidth often lead to superdirective beamformers for low frequencies, if the sensor spacing is small relative t...
EOR
2010
13 years 8 months ago
2010
We propose a modified alternate direction method for solving convex quadratically constrained quadratic semidefinite optimization problems. The method is a first-order method, the...