Approximate Solution of Linear Systems with Laplace-like Operators via Cross Approximation in the Frequency Domain.
Ekaterina A. MuravlevaIvan V. OseledetsPublished in: Comput. Methods Appl. Math. (2019)
Keyphrases
- frequency domain
- linear systems
- spatial domain
- fourier transform
- sufficient conditions
- dynamical systems
- power spectrum
- cross correlation
- feature extraction
- coefficient matrix
- sparse linear systems
- denoising
- fourier domain
- discrete fourier transform
- frequency analysis
- pid controller
- fourier analysis
- spectrum analysis
- computational complexity
- reinforcement learning
- high quality
- power spectra
- computer vision