Uniform weighted approximation on the square by polynomial interpolation at Chebyshev nodes.
Donatella OccorsioWoula ThemistoclakisPublished in: Appl. Math. Comput. (2020)
Keyphrases
- weight function
- randomized approximation
- gaussian convolution
- piecewise polynomial
- shortest path
- lagrange interpolation
- graph structure
- weighted graph
- weighted sum
- partial derivatives
- image interpolation
- closed form
- error bounds
- uniform sampling
- learning algorithm
- lp norm
- smooth functions
- approximation error
- interpolation methods
- linear interpolation
- directed graph
- network structure
- sensor networks
- chronological backtracking
- spanning tree
- approximation algorithms
- greedy algorithm
- chaotic sequence
- influence spread
- cubic spline interpolation
- np hard