Chebyshev approximation of the null function by an affine combination of complex exponential functions.
Paul ArmandJoël BenoistElsa BousquetPublished in: J. Approx. Theory (2010)
Keyphrases
- piecewise affine
- continuous functions
- nonlinear functions
- linear functions
- complex systems
- convex functions
- real world
- series expansion
- approximation methods
- approximation error
- complex data
- higher level
- data sets
- multi valued
- approximation algorithms
- image registration
- differential operators
- weight function
- relational databases
- multiscale