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» Periodic solutions for second order differential equations
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16 years 8 months ago
A Fast Implementation of The Level Set Method Without Solving Partial Differential Equations
"The level set method is popular in the numerical implementation of curve evolution, but its high computational cost is a bottleneck for real-time applications. In this report...
Yonggang Shi, William Clem Karl
APPML
2008
77views more  APPML 2008»
14 years 12 months ago
Stability of a time-varying fishing model with delay
To incorporate ecosystem effects, environmental variability and other factors that affect the population growth, the periodicity of the parameters of the model is assumed. We intr...
Leonid Berezansky, L. Idels
AUTOMATICA
2005
103views more  AUTOMATICA 2005»
14 years 11 months ago
Periodic signal analysis by maximum likelihood modeling of orbits of nonlinear ODEs
This paper treats a new approach to the problem of periodic signal estimation. The idea is to model the periodic signal as a function of the state of a second-order nonlinear ordi...
Torsten Söderström, Torbjörn Wigren...
JMM2
2007
113views more  JMM2 2007»
14 years 11 months ago
Shape Morphing of Complex Geometries Using Partial Differential Equations
— An alternative technique for shape morphing using a surface generating method using partial differential equations is outlined throughout this work. The boundaryvalue nature th...
Gabriela González Castro, Hassan Ugail
4OR
2006
100views more  4OR 2006»
14 years 11 months ago
Nondecomposable solutions to group equations and an application to polyhedral combinatorics
This paper is based on the study of the set of nondecomposable integer solutions in a Gomory corner polyhedron, which was recently used in a reformulation method for integer linear...
Matthias Jach, Matthias Köppe, Robert Weisman...