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Searched refs:factorizations (Results 1 – 8 of 8) sorted by relevance

/petsc/doc/manualpages/MANSECHeaders/
H A DMatGraphOperations3 These tools compute reorderings (`MatOrdering`) (for sparse matrix factorizations), colorings (`Mat…
/petsc/src/mat/impls/aij/seq/lusol/
H A Dlusol.c221 int factorizations; in MatLUFactorNumeric_LUSOL() local
229 factorizations = 0; in MatLUFactorNumeric_LUSOL()
241 } else if ((factorizations > 0) && (lusol->luroom < 6)) { in MatLUFactorNumeric_LUSOL()
292 factorizations++; in MatLUFactorNumeric_LUSOL()
/petsc/doc/manual/
H A Dadvanced.md77 The ILU, LU, ICC, Cholesky, and QR matrix factorizations are split into two or three
141 numerical factorizations for symmetric and nonsymmetric matrices:
188 factorizations, one simply calls the numerical factorization with a new
251 Some of the factorizations also support solves with multiple right-hand sides stored in a `Mat` usi…
263 …MATSOLVERMUMPS`, provides access to Schur complements obtained after partial factorizations as well
H A Dmat.md1366 reduce fill in sparse matrix factorizations.
H A Dksp.md800 in the first factorization to be reused for later factorizations.
/petsc/doc/changes/
H A D315.md136 `MatQRFactorNumeric()` for QR factorizations. Currently the only
/petsc/doc/tutorials/physics/
H A Dguide_to_stokes.md194 However, the test needs an accurate linear solver. Sparse LU factorizations do not, in general, do …
/petsc/doc/
H A Dpetsc.bib434 title = {Approximate and incomplete factorizations},
627 title = {Communication-optimal parallel and sequential {QR} and {LU} factorizations},
17876 title = {Communication-optimal parallel and sequential {QR} and {LU} factorizations},