Spectral Chebyshev-Fourier collocation for the Helmholtz and variable coefficient equations in a disk.
Bernard BialeckiAndreas KarageorghisPublished in: J. Comput. Phys. (2008)
Keyphrases
- fourier transform
- fourier coefficients
- spectral estimation
- differential equations
- radon transform
- spectral analysis
- mathematical model
- image reconstruction
- main memory
- hyperspectral imagery
- linear equations
- spectral features
- numerical solution
- multidimensional data
- fourier spectrum
- co occurrence
- neural network
- krawtchouk moments
- random access
- linear systems
- hyperspectral images
- frequency domain
- wavelet transform