petsc-3.14.6 2021-03-30
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MatSetVariableBlockSizes

Sets a diagonal blocks of the matrix that need not be of the same size

Synopsis

#include "petscmat.h" 
PetscErrorCode MatSetVariableBlockSizes(Mat mat,PetscInt nblocks,PetscInt *bsizes)
Logically Collective on Mat

Input Parameters

mat - the matrix
nblocks - the number of blocks on this process
bsizes - the block sizes

Notes

Currently used by PCVPBJACOBI for SeqAIJ matrices

See Also

MatCreateSeqBAIJ(), MatCreateBAIJ(), MatGetBlockSize(), MatSetBlockSizes(), MatGetBlockSizes(), MatGetVariableBlockSizes()

Level

intermediate

Location

src/mat/interface/matrix.c
Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages