MatSetBlockSizesFromMats#

Sets the matrix block row and column sizes to match a pair of matrices

Synopsis#

#include "petscmat.h" 
PetscErrorCode MatSetBlockSizesFromMats(Mat mat, Mat fromRow, Mat fromCol)

Logically Collective

Input Parameters#

  • mat - the matrix

  • fromRow - matrix from which to copy row block size

  • fromCol - matrix from which to copy column block size (can be same as fromRow)

See Also#

Matrices, Mat, MatCreateSeqBAIJ(), MatCreateBAIJ(), MatGetBlockSize(), MatSetBlockSizes()

Level#

developer

Location#

src/mat/interface/matrix.c

Examples#

src/ksp/ksp/tutorials/ex76.c
src/ksp/ksp/tutorials/ex76f.F90


Index of all Mat routines
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Index of all manual pages