MatFindZeroDiagonals#
Finds all the rows of a matrix that have zero or no diagonal entry in the matrix
Synopsis#
#include "petscmat.h"
PetscErrorCode MatFindZeroDiagonals(Mat mat, IS *is)
Collective
Input Parameter#
mat - the matrix
Output Parameter#
is - if any rows have zero diagonals this contains the list of them
See Also#
Matrices, Mat, MatMultTranspose(), MatMultAdd(), MatMultTransposeAdd()
Level#
developer
Location#
Implementations#
MatFindZeroDiagonals_MPIAIJ in src/mat/impls/aij/mpi/mpiaij.c
MatFindZeroDiagonals_SeqAIJ in src/mat/impls/aij/seq/aij.c
Index of all Mat routines
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Index of all manual pages