'Elimination tree' presentation slideshows

The Landscape of Sparse Ax=b Solvers

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Sparse Matrix Methods

Sparse Matrix Methods. Day 1: Overview Day 2: Direct methods Nonsymmetric systems Graph theoretic tools Sparse LU with partial pivoting Supernodal factorization (SuperLU) Multifrontal factorization (MUMPS) Remarks Day 3: Iterative methods.

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Symbolic sparse Gaussian elimination: A = LU

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Sparse LU Factorization Without Pivoting

Sparse LU Factorization Without Pivoting. Note: slides for sparse-sparse triangular solve are at the end of the April 9 slide set. Symmetric or Nonsymmetric Ax = b: Gaussian elimination without pivoting. Factor A = LU Solve Ly = b for y Solve Ux = y for x Variations:

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How to solve a large sparse linear system arising in groundwater and CFD problems

How to solve a large sparse linear system arising in groundwater and CFD problems J. Erhel, team Sage, INRIA, Rennes, France Joint work with A. Beaudoin (U. Le Havre) J.-R. de Dreuzy ( Geosciences Rennes) D. Nuentsa Wakam (team Sage) G. Pichot (U. Le Havre, soon team Sage)

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CS 290H Lecture 7 Symbolic factorization continued

170 views • 8 slides