PETSc version 3.17.5
MatInvertVariableBlockDiagonal
Inverts the point block diagonal entries.
Synopsis
#include "petscmat.h"
PetscErrorCode MatInvertVariableBlockDiagonal(Mat mat,PetscInt nblocks,const PetscInt *bsizes,PetscScalar *values)
Collective on Mat
Input Parameters
| mat | - the matrix
|
| nblocks | - the number of blocks
|
| bsizes | - the size of each block
|
Output Parameters
| values | - the block inverses in column major order (FORTRAN-like)
|
Note
This routine is not available from Fortran.
See Also
MatInvertBlockDiagonal()
Level
advanced
Location
src/mat/interface/matrix.c
Implementations
MatInvertVariableBlockDiagonal_MPIAIJ in src/mat/impls/aij/mpi/mpiaij.c
MatInvertVariableBlockDiagonal_SeqAIJ in src/mat/impls/aij/seq/aij.c
Index of all Mat routines
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Index of all manual pages