MatFindNonzeroRows
Locate all rows that are not completely zero in the matrix
Synopsis
#include "petscmat.h"
PetscErrorCode
MatFindNonzeroRows
(
Mat
mat,
IS
*keptrows)
Input Parameter
A
- the matrix
Output Parameter
keptrows
- the rows that are not completely zero
Notes
keptrows is set to NULL if all rows are nonzero.
Level
intermediate
Location
src/mat/interface/matrix.c
Implementations
MatFindNonzeroRows_MPIAIJ in src/mat/impls/aij/mpi/mpiaij.c
MatFindNonzeroRows_SeqAIJ in src/mat/impls/aij/seq/aij.c
Index of all Mat routines
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Index of all manual pages