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SIAMNUM
2011
92views more  SIAMNUM 2011»
12 years 11 months ago
A Priori Mesh Grading for an Elliptic Problem with Dirac Right-Hand Side
The Green function of the Poisson equation in two dimensions is not contained in the Sobolev space H1(Ω) such that finite element error estimates for the discretization of a prob...
Thomas Apel, Olaf Benedix, Dieter Sirch, Boris Vex...
HEURISTICS
2002
81views more  HEURISTICS 2002»
13 years 8 months ago
Heuristics for the Phylogeny Problem
In view of the strong increasing number of phylogeny problems and instances, the assessment of the respective optimization algorithms has become harder too. This paper contributes ...
Alexandre A. Andreatta, Celso C. Ribeiro
AMC
2008
67views more  AMC 2008»
13 years 8 months ago
A nonconforming covolume method for elliptic problems
We consider a control volume(covolume) method for second order elliptic PDEs with the rotated-Q1 nonconforming finite element on rectangular grids. The coefficient may a variable,...
Yun K. Hyon, Ho J. Jang, Do Y. Kwak
CEE
2010
70views more  CEE 2010»
13 years 8 months ago
An iterative linearised solution to the sinusoidal parameter estimation problem
Signal processing applications use sinusoidal modelling for speech synthesis, speech coding, and audio coding. Estimation of the model parameters involves non-linear optimisation ...
Jean-Marc Valin, Daniel V. Smith, Christopher Mont...
INFORMATICALT
2007
76views more  INFORMATICALT 2007»
13 years 8 months ago
Strongly Absolute Stability Problem of Descriptor Systems
Abstract. This paper considers Lur’e type descriptor systems (LDS). The concept of strongly absolute stability is defined for LDS and such a notion is a generalization of absolu...
Chunyu Yang, Qingling Zhang, Linna Zhou