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The use of block symmetries to solve algebraic eigenvalue problems

✍ Scribed by Kh.D. Ikramov


Publisher
Elsevier Science
Year
1990
Weight
640 KB
Volume
30
Category
Article
ISSN
0041-5553

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An algebraic multigrid wave–ray algorith
✍ Irene Livshits πŸ“‚ Article πŸ“… 2004 πŸ› John Wiley and Sons 🌐 English βš– 112 KB

## Abstract Helmholtz equations with variable coefficients are known to be hard to solve both analytically and numerically. In this paper, we introduce a numerical multigrid solver for one‐dimensional Helmholtz eigenvalue problems with periodic potentials and solutions. The solvers employ wave–ray