PETSc version 3.17.4
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# 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
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