Nonlinear approximation of high-dimensional anisotropic analytic functions.
Diane GuignardPeter JantschPublished in: CoRR (2022)
Keyphrases
- high dimensional
- low dimensional
- linear approximation
- diffusion equation
- high dimension
- continuous functions
- dimensionality reduction
- similarity search
- feature space
- high dimensional feature space
- error bounds
- numerical integration
- high dimensionality
- approximation algorithms
- taylor series
- multi dimensional
- knn
- convex functions
- neural network
- diffusion processes
- optic flow computation
- kernel principal component analysis
- data sets
- sparse data
- variable selection
- anisotropic diffusion
- input space
- sparse coding
- parameter space
- noisy data
- closed form
- lower bound