188 search results - page 11 / 38 » The 2-center problem in three dimensions |
MMAS
2011
Springer
13 years 20 days ago
2011
Springer
This paper introduces a new sweeping preconditioner for the iterative solution of the variable coefficient Helmholtz equation in two and three dimensions. The algorithms follow th...
MLDM
2010
Springer
13 years 4 months ago
2010
Springer
In this paper we study the k-means clustering problem. It is well-known that the general version of this problem is NP-hard. Numerous approximation algorithms have been proposed fo...
SDM
2012
SIAM
12 years 6 days ago
2012
SIAM
To date, many active learning techniques have been developed for acquiring labels when training data is limited. However, an important aspect of the problem has often been neglect...
GECCO
2010
Springer
13 years 10 months ago
2010
Springer
In this paper, we study the performances of the NEW Unconstrained Optimization Algorithm (NEWUOA) with different numbers of interpolation points. NEWUOA is a trust region method, ...
ICDT
2005
ACM
14 years 3 months ago
2005
ACM
We propose and investigate from the algorithmic standpoint a novel form of fuzzy query called approximately dominating representatives or ADRs. The ADRs of a multidimensional point...