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Searched refs:MatGetSchurComplement (Results 1 – 5 of 5) sorted by relevance

/petsc/src/ksp/ksp/tests/
H A Dex21.c124 …PetscCall(MatGetSchurComplement(A, is0, is0, is1, is1, MAT_INITIAL_MATRIX, &S, ainv_type, MAT_IGNO… in main()
153 …PetscCall(MatGetSchurComplement(A, is1, is1, is0, is0, MAT_INITIAL_MATRIX, &S, ainv_type, MAT_IGNO… in main()
218 …PetscCall(MatGetSchurComplement(A, is0, is0, is1, is1, MAT_IGNORE_MATRIX, NULL, ainv_type, MAT_INI… in main()
224 …PetscCall(MatGetSchurComplement(A, is0, is0, is1, is1, MAT_IGNORE_MATRIX, NULL, ainv_type, MAT_REU… in main()
/petsc/doc/overview/
H A Dmatrix_table.md158 - ``MatCreateSchurComplement()``, ``MatGetSchurComplement()``
/petsc/include/
H A Dpetscksp.h1170 PETSC_EXTERN PetscErrorCode MatGetSchurComplement(Mat, IS, IS, IS, IS, MatReuse, Mat *, MatSchurCom…
/petsc/src/ksp/ksp/utils/schurm/
H A Dschurm.c696 PetscErrorCode MatGetSchurComplement(Mat A, IS isrow0, IS iscol0, IS isrow1, IS iscol1, MatReuse mr… in MatGetSchurComplement() function
/petsc/doc/faq/
H A Dindex.md1048 block, then use `MatGetSchurComplement()` to create the Schur complement and/or an
1060 default for the optional "preconditioning" matrix in `MatGetSchurComplement()`).