Approximation of Multivariate Functions on Sparse Grids By Kernel-Based Quasi-Interpolation.
Byeongseon JeongScott N. KerseyJungho YoonPublished in: SIAM J. Sci. Comput. (2021)
Keyphrases
- gaussian convolution
- sparse sampling
- sparse kernel
- continuous functions
- high dimensional
- piecewise polynomial
- support vector
- kernel methods
- sparse coding
- special case
- linear interpolation
- multivariate data
- approximation methods
- compressed sensing
- sparse data
- interpolation method
- approximation error
- basis functions
- compressive sensing
- multiple kernel
- linear functions
- regression model
- series expansion
- grid computing
- feature space
- neural network