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Finite Element/Conjugate Gradient Presentation
- This derives the finite element method for a simple
two-dimensional Laplacian with triangular elements
- We use this to motivate conjugate gradient as a variant of
steepest descent for variational principle underlying FEM
- We discuss preconditioning, parallelism and convergence of
general conjugate gradient method
Geoffrey Fox, Northeast Parallel Architectures Center at Syracuse University, gcf@npac.syr.edu