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Efficient Implementation of a Class of Preconditioned Conjugate Gradient Methods

✍ Scribed by Eisenstat, Stanley C.


Book ID
118187019
Publisher
Society for Industrial and Applied Mathematics
Year
1981
Weight
345 KB
Volume
2
Category
Article
ISSN
0196-5204

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An element-by-element preconditioned con
✍ Jocelyne Erhel; Alice Traynard; Marina Vidrascu πŸ“‚ Article πŸ“… 1991 πŸ› Elsevier Science 🌐 English βš– 444 KB

We consider the linear equation Ax = b where A is a sparse symmetric positive definite matrix arising from a finite element discretisation. We use the preconditioned conjugate gradient method to solve this equation, introducing an element-by-element preconditioner which is based on a Crout's decompo