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132
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ADCM
2007
155views more  ADCM 2007»
15 years 4 months ago
Numerical differentiation by radial basis functions approximation
Based on radial basis functions approximation, we develop in this paper a new computational algorithm for numerical differentiation. Under an a priori and an a posteriori choice r...
T. Wei, Y. C. Hon
127
Voted
JISE
2008
143views more  JISE 2008»
15 years 4 months ago
A Geometry-Based Secret Image Sharing Approach
This paper solves the visual cryptography problem by the Blakley scheme that is a geometry-based secret sharing strategy. We first partition the protected image into non-overlappi...
Chien-Chang Chen, Wen-Yin Fu
MCS
2008
Springer
15 years 4 months ago
A nonsmooth Newton's method for control-state constrained optimal control problems
We investigate optimal control problems subject to mixed control-state constraints. The necessary conditions are stated in terms of a local minimum principle. By use of the Fischer...
Matthias Gerdts
AI
2002
Springer
15 years 4 months ago
Using Inter-agent Trust Relationships for Efficient Coalition Formation
We address long-term coalitions that are formed of both customer and vendor agents after evaluating their trust relationships with other agents in the system. We present a coalitio...
Silvia Breban, Julita Vassileva
MOC
2002
107views more  MOC 2002»
15 years 4 months ago
Convergence of the shifted QR algorithm for unitary Hessenberg matrices
This paper shows that for unitary Hessenberg matrices the QR algorithm, with (an exceptional initial-value modification of) the Wilkinson shift, gives global convergence; moreover,...
Tai-Lin Wang, William B. Gragg