85 search results - page 9 / 17 » Feasible Region Approximation Using Convex Polytopes |
CISS
2008
IEEE
14 years 2 months ago
2008
IEEE
— We consider dual subgradient methods for solving (nonsmooth) convex constrained optimization problems. Our focus is on generating approximate primal solutions with performance ...
RECOMB
1997
Springer
13 years 11 months ago
1997
Springer
Multiple sequence alignment is an important problem in computational biology. We study the Maximum Trace formulation introduced by Kececioglu [?]. We first phrase the problem in ...
COSIT
2009
Springer
14 years 2 months ago
2009
Springer
Abstract. The modeling of concepts from a cognitive perspective is important for designing spatial information systems that interoperate with human users. Concept representations t...
ATMOS
2007
13 years 9 months ago
2007
We face a real-world train unit assignment problem for an operator running trains in a regional area. Given a set of timetabled train trips, each with a required number of passenge...
INFOCOM
2009
IEEE
14 years 2 months ago
2009
IEEE
Abstract— Sum rate maximization by power control is an important, challenging, and extensively studied problem in wireless networks. It is a nonconvex optimization problem and ac...