Uniform approximation on the sphere by least squares polynomials.
Woula ThemistoclakisMarc Van BarelPublished in: Numer. Algorithms (2019)
Keyphrases
- least squares
- lagrange interpolation
- uniform sampling
- approximation algorithms
- robust estimation
- policy evaluation
- series expansion
- tikhonov regularization
- matrix approximation
- sparse linear
- singular value decomposition
- b spline
- relative error
- learning algorithm
- error tolerance
- error bounds
- image restoration
- piecewise polynomial