petsc-3.12.5 2020-03-29
MatInvertVariableBlockDiagonal
Inverts the 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
MatInvertBockDiagonal()
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
Table of Contents for all manual pages
Index of all manual pages