An Accurate Approximation of the Exponential Integral Function Using a Sum of Exponentials.
Ala Abu AlkheirMohamed IbnkahlaPublished in: IEEE Commun. Lett. (2013)
Keyphrases
- approximation error
- series expansion
- approximation algorithms
- continuous functions
- computationally efficient
- high quality
- linear functions
- linear logic
- multiscale
- piecewise linear
- efficient computation
- pointwise
- weighted sum
- high accuracy
- aggregation functions
- lower bound
- weight function
- square error
- integral equation
- real time