Randomized matrix-free quadrature for spectrum and spectral sum approximation.
Tyler ChenThomas TrogdonShashanka UbaruPublished in: CoRR (2022)
Keyphrases
- tandem mass
- laplacian matrix
- spectral resolution
- singular value decomposition
- singular vectors
- matrix representation
- spectral decomposition
- weighted sum
- fourier transform
- spectral methods
- approximation algorithms
- frequency spectrum
- pseudo inverse
- approximation error
- multiscale
- randomized algorithm
- amplitude modulation
- closed form
- spectral clustering
- spectral analysis
- linear algebra
- spectral relaxation
- approximation methods
- low rank approximation
- decision forest
- singular values
- similarity matrix
- low rank
- objective function