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» Probe Matrix Problems: Totally Balanced Matrices
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CORR
2010
Springer
146views Education» more  CORR 2010»
13 years 5 months ago
Optimal power allocation for downstream xDSL with per-modem total power constraints : Broadcast Channel Optimal Spectrum Balanci
Abstract-Recently, the duality between Multiple Input Multiple Output (MIMO) Multiple Access Channels (MAC) and MIMO Broadcast Channels (BC) has been established under a total powe...
Vincent Le Nir, Marc Moonen, Jan Verlinden, Mamoun...
IPPS
1994
IEEE
13 years 9 months ago
Efficient Matrix Chain Ordering in Polylog Time
The matrix chain ordering problem is to find the cheapest way to multiply a chain of n matrices, where the matrices are pairwise compatible but of varying dimensions. Here we give ...
Phillip G. Bradford, Gregory J. E. Rawlins, Gregor...
EMO
2003
Springer
136views Optimization» more  EMO 2003»
13 years 10 months ago
Solving Multi-criteria Optimization Problems with Population-Based ACO
In this paper a Population-based Ant Colony Optimization approach is proposed to solve multi-criteria optimization problems where the population of solutions is chosen from the set...
Michael Guntsch, Martin Middendorf
COMPUTING
2006
130views more  COMPUTING 2006»
13 years 5 months ago
Factorized Solution of Lyapunov Equations Based on Hierarchical Matrix Arithmetic
We investigate the numerical solution of large-scale Lyapunov equations with the sign function method. Replacing the usual matrix inversion, addition, and multiplication by format...
Ulrike Baur, Peter Benner
EOR
2006
110views more  EOR 2006»
13 years 5 months ago
A constructive algorithm for realizing a distance matrix
The natural metric of a weighted graph is the length of the shortest paths between all pairs of vertices. The investigated problem consists in a representation of a given metric b...
Sacha C. Varone