petsc-3.14.6 2021-03-30
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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
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Index of all manual pages