High-frequency asymptotics for the numerical solution of the Helmholtz equation.
Seongjai KimChang-Soo ShinJoseph B. KellerPublished in: Appl. Math. Lett. (2005)
Keyphrases
- numerical solution
- high frequency
- low frequency
- differential equations
- partial differential equations
- finite element
- high resolution
- sufficient conditions
- finite difference
- wavelet transform
- boundary value problem
- subband
- high frequencies
- ordinary differential equations
- discrete wavelet transform
- numerical methods
- wavelet coefficients
- exact solution
- difference equations
- linear systems
- low bit rate coding
- machine learning
- image compression
- reinforcement learning
- high order
- image analysis
- object recognition
- optimal solution
- low and high frequency