Variable-step L1 method combined with time two-grid algorithm for multi-singularity problems arising from two-dimensional nonlinear delay fractional equations.
Caixia OuDakang CenSeakweng VongPublished in: Commun. Nonlinear Sci. Numer. Simul. (2024)
Keyphrases
- algebraic equations
- high accuracy
- detection algorithm
- improved algorithm
- computational cost
- detection method
- significant improvement
- cost function
- optimization algorithm
- clustering method
- dynamic programming
- preprocessing
- computational complexity
- combinatorial optimization
- mathematical model
- k means
- matching algorithm
- energy function
- segmentation algorithm
- multi step
- heuristic methods
- objective function
- tree structure
- convergence rate
- recognition algorithm
- segmentation method
- learning algorithm
- optimization method
- support vector machine svm
- input data
- linear systems
- iterative algorithms
- nonlinear functions
- newton raphson
- simulated annealing
- similarity measure
- finite difference
- packing problem
- grid structure
- numerical methods
- optimal solution
- search space
- evolutionary algorithm
- probabilistic model
- neural network
- particle swarm optimization
- square grid
- hamilton jacobi
- lifting wavelet
- difference equations
- image segmentation
- three dimensional
- edge detection
- linear programming
- expectation maximization
- graph cuts