A solution for the greedy approximation of a step function with a waveform dictionary.
Jorge Andres RiveroPierluigi VellucciPublished in: Commun. Nonlinear Sci. Numer. Simul. (2023)
Keyphrases
- greedy strategy
- linear approximation
- closed form
- locally optimal
- approximation methods
- integral equation
- stationary points
- greedy algorithm
- optimal solution
- approximation error
- piecewise constant
- integer programming
- approximation algorithms
- error bounds
- search algorithm
- numerical methods
- search procedure
- greedy heuristic
- post processing
- linear combination
- neural network