Convergence Analysis of Krylov Subspace Spectral Methods for Reaction-Diffusion Equations.
Somayyeh SheikholeslamiJames V. LambersCarley WalkerPublished in: J. Sci. Comput. (2019)
Keyphrases
- convergence analysis
- spectral methods
- diffusion equation
- eigendecomposition
- anisotropic diffusion
- spectral analysis
- scale space
- diffusion process
- manifold learning
- spectral clustering
- partial differential equations
- global convergence
- random walk
- covariance matrix
- low dimensional
- boundary conditions
- high dimensional data
- low rank
- kernel matrix
- high dimensional
- convergence rate
- dimensionality reduction
- multiscale
- pattern recognition
- principal component analysis
- feature extraction
- metric learning
- subspace clustering
- edge detection
- graphical models
- search space
- feature space
- multi label
- reinforcement learning
- natural images