Surrogate approximation of the Grad-Shafranov free boundary problem via stochastic collocation on sparse grids.
Howard C. ElmanJiaxing LiangTonatiuh Sánchez-VizuetPublished in: J. Comput. Phys. (2022)
Keyphrases
- approximation schemes
- discrete random variables
- stage stochastic programs
- object boundaries
- sparse representation
- sparse approximation
- sparse data
- sparse approximations
- monte carlo sampling
- high dimensional
- approximation error
- error bounds
- co occurrence
- compressive sensing
- stochastic optimization
- sparse coding
- monte carlo
- neural network
- compressed sensing
- low rank approximation
- queueing networks
- convex optimization