petsc-3.13.6 2020-09-29
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MatGetSeqNonzeroStructure

Extracts the sequential nonzero structure from a matrix.

Synopsis

#include "petscmat.h" 
PetscErrorCode MatGetSeqNonzeroStructure(Mat mat,Mat *matstruct)
Collective on Mat

Input Parameters

mat -the matrix

Output Parameter

matstruct -the sequential matrix with the nonzero structure of mat

See Also

MatDestroySeqNonzeroStructure(), MatCreateSubMatrices(), MatDestroyMatrices()

Level

intermediate

Location

src/mat/interface/matrix.c

Implementations

MatGetSeqNonzeroStructure_MPIAIJ in src/mat/impls/aij/mpi/mpiaij.c
MatGetSeqNonzeroStructure_MPIBAIJ in src/mat/impls/baij/mpi/mpibaij.c

Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages