On numerical methods for discrete least-squares approximation by trigonometric polynomials.
Heike FaßbenderPublished in: Math. Comput. (1997)
Keyphrases
- numerical methods
- least squares
- approximation schemes
- differential equations
- partial differential equations
- lagrange interpolation
- discrete fourier transform
- finite element method
- approximation algorithms
- numerical solution
- finite difference method
- basis functions
- series expansion
- level set method
- curve fitting
- pairwise
- pattern recognition
- convex sets
- image enhancement
- tikhonov regularization
- multiscale