10 search results - page 1 / 2 » Order-preserving derivative approximation with periodic radi... |
TIT
2008
14 years 6 months ago
2008
In this paper, approximation by linear combinations of an increasing number n of computational units with adjustable parameters (such as perceptrons and radial basis functions) is ...
ADCM
2007
14 years 6 months ago
2007
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...
ICANNGA
2007
Springer
15 years 24 days ago
2007
Springer
Rates of approximation by networks with Gaussian RBFs with varying widths are investigated. For certain smooth functions, upper bounds are derived in terms of a Sobolev-equivalent ...
SIAMSC
2008
14 years 6 months ago
2008
Abstract. We present a new derivative-free algorithm, ORBIT, for unconstrained local optimization of computationally expensive functions. A trust-region framework using interpolati...
CGF
2005
14 years 6 months ago
2005
Current surface-based methods for interactive freeform editing of high resolution 3D models are very powerful, but at the same time require a certain minimum tessellation or sampl...