On the existence of nonoscillatory phase functions for second order ordinary differential equations in the high-frequency regime.
Zhu HeitmanJames BremerVladimir RokhlinPublished in: J. Comput. Phys. (2015)
Keyphrases
- high frequency
- differential equations
- ordinary differential equations
- low frequency
- dynamical systems
- high resolution
- wavelet transform
- subband
- high frequencies
- numerical solution
- wavelet coefficients
- higher order
- partial differential equations
- numerical methods
- discrete wavelet transform
- high frequency components
- wavelet domain
- image processing
- high order
- complex systems
- network model
- natural images