On Expansions and Nodes for Sparse Grid Collocation of Lognormal Elliptic PDEs.
Oliver G. ErnstBjörn SprungkLorenzo TamelliniPublished in: CoRR (2019)
Keyphrases
- partial differential equations
- high dimensional
- numerical methods
- sparse data
- image denoising
- compressive sensing
- directed graph
- anisotropic diffusion
- boundary value problem
- shortest path
- level set
- high order
- graph structure
- energy functional
- fourth order
- compressed sensing
- feature space
- hamilton jacobi
- power law
- fourier descriptors
- weighted graph
- mathematical morphology