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ISSAC
2005
Springer
63views Mathematics» more  ISSAC 2005»
14 years 27 days ago
Symbolic-numeric completion of differential systems by homotopy continuation
Two ideas are combined to construct a hybrid symbolicnumeric differential-elimination method for identifying and including missing constraints arising in differential systems. F...
Greg Reid, Jan Verschelde, Allan D. Wittkopf, Weny...
ISCAS
2003
IEEE
72views Hardware» more  ISCAS 2003»
14 years 21 days ago
Roundoff noise minimization in two-dimensional state-space digital filters using error feedback
This paper considers the problem of minimizing roundoff noise in two-dimensional (2-D) state-space digital filters subject to L2-norm dynamic-range scaling constraints. The mini...
Takao Hinamoto, Keisuke Higashi, Wu-Sheng Lu
GECCO
2003
Springer
124views Optimization» more  GECCO 2003»
14 years 19 days ago
Integrated Genetic Algorithm with Hill Climbing for Bandwidth Minimization Problem
In this paper, we propose an integrated Genetic Algorithm with Hill Climbing to solve the matrix bandwidth minimization problem, which is to reduce bandwidth by permuting rows and ...
Andrew Lim, Brian Rodrigues, Fei Xiao
HPCN
1999
Springer
13 years 11 months ago
A Parallel Implementation of the Block Preconditioned GCR Method
Abstract. The parallel implementation of GCR is addressed, with particular focus on communication costs associated with orthogonalization processes. This consideration brings up qu...
C. Vuik, Jason Frank
LITP
1990
13 years 11 months ago
Infinite Traces
In this paper we provide several new results concerning word and matrix semigroup problems using counter automaton models. As a main result, we prove a new version of Post's c...
Paul Gastin