Sparse generalized Fourier transforms

DOI10.1007/s10543-006-0110-zzbMath1178.65149OpenAlexW2074456300MaRDI QIDQ878201

Krister Åhlander, Daniel Henriksson

Publication date: 26 April 2007

Published in: BIT (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/s10543-006-0110-z

zbMATH Keywords

heat equationfinite element methoditerative methodfinite differencesdirect methodblock-diagonalizationsparse equivariant discretization matrices

Mathematics Subject Classification ID

Computational methods for sparse matrices (65F50) Heat equation (35K05) Finite difference methods for initial value and initial-boundary value problems involving PDEs (65M06) Iterative numerical methods for linear systems (65F10) Finite element, Rayleigh-Ritz and Galerkin methods for initial value and initial-boundary value problems involving PDEs (65M60) Numerical methods for discrete and fast Fourier transforms (65T50) Direct numerical methods for linear systems and matrix inversion (65F05)

Related Items (1)

Symmetrizing grids, radial basis functions, and Chebyshev and Zernike polynomials for the \(D_4\) symmetry group; interpolation within a squircle. I

Uses Software

• EinSum

Cites Work

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