petsc-3.14.6 2021-03-30
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MatInvertBlockDiagonal

Inverts the block diagonal entries.

Synopsis

#include "petscmat.h" 
PetscErrorCode MatInvertBlockDiagonal(Mat mat,const PetscScalar **values)
Collective on Mat

Input Parameters

mat - the matrix

Output Parameters

values - the block inverses in column major order (FORTRAN-like)

Note

This routine is not available from Fortran.

See Also

MatInvertBockDiagonalMat

Level

advanced

Location

src/mat/interface/matrix.c

Examples

src/ksp/ksp/tutorials/ex74.c.html

Implementations

MatInvertBlockDiagonal_MPIAIJ in src/mat/impls/aij/mpi/mpiaij.c
MatInvertBlockDiagonal_SeqAIJ in src/mat/impls/aij/seq/aij.c
MatInvertBlockDiagonal_MPIBAIJ in src/mat/impls/baij/mpi/mpibaij.c
MatInvertBlockDiagonal_SeqBAIJ in src/mat/impls/baij/seq/baij.c
MatInvertBlockDiagonal_IS in src/mat/impls/is/matis.c
MatInvertBlockDiagonal_SeqKAIJ in src/mat/impls/kaij/kaij.c
MatInvertBlockDiagonal_MPIKAIJ in src/mat/impls/kaij/kaij.c
MatInvertBlockDiagonal_MPISELL in src/mat/impls/sell/mpi/mpisell.c

Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages