petsc-3.7.7 2017-09-25
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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
Table of Contents for all manual pages
Index of all manual pages