Late-time/stiff-relaxation asymptotic-preserving approximations of hyperbolic equations.
Christophe BerthonPhilippe G. LeFlochRodolphe TurpaultPublished in: Math. Comput. (2013)
Keyphrases
- conservation laws
- numerical solution
- partial differential equations
- numerical methods
- low order
- closed form expressions
- difference equations
- differential equations
- iterative algorithms
- approximation methods
- finite difference
- closed form
- probabilistic relaxation
- worst case
- objective function
- image details
- expected values
- large deviations
- marginal likelihood
- central limit theorem
- lognormal distribution
- ordinary differential equations
- linear equations
- lagrangian relaxation
- linear systems
- efficient computation
- image processing
- expectation propagation
- variational methods
- sufficient conditions
- stochastic systems
- markov random field
- data sets