petsc-3.12.5 2020-03-29
MatFindZeroRows
Locate all rows that are completely zero in the matrix
Synopsis
#include "petscmat.h"
PetscErrorCode MatFindZeroRows(Mat mat,IS *zerorows)
Input Parameter
A -the matrix
Output Parameter
zerorows -the rows that are completely zero
Notes
zerorows is set to NULL if no rows are zero.
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