petsc-3.7.3 2016-07-24
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# MatMissingDiagonal

Determine if sparse matrix is missing a diagonal entry (or block entry for BAIJ matrices)

### Synopsis

    #include "petscmat.h"
    PetscErrorCode MatMissingDiagonal(Mat mat,PetscBool *missing,PetscInt *dd)

Collective on Mat

### Input Parameter

mat -the matrix

### Output Parameters

| missing | - is any diagonal missing
| dd | - first diagonal entry that is missing (optional)

### See Also

MatRealPart()

Level:advanced
Location: src/mat/interface/matrix.c
Index of all Mat routines
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Index of all manual pages