MatSetValuesRow#
Inserts a row of nonzero values into a matrix
Synopsis#
#include "petscmat.h"
PetscErrorCode MatSetValuesRow(Mat mat, PetscInt row, const PetscScalar v[])
Not Collective
Input Parameters#
mat - the matrix
row - the row to set
v - a one dimensional array of values
Notes#
Currently only supported for MATAIJ.
All the nonzeros in row must be provided
The matrix must have previously had its column indices set, likely by having been assembled.
row must belong to this process
See Also#
Matrices, Mat, MatSetValues(), MatSetOption(), MatAssemblyBegin(), MatAssemblyEnd(), MatSetValuesBlocked(), MatSetValuesLocal(),
InsertMode, INSERT_VALUES, ADD_VALUES, MATAIJ
Level#
advanced
Location#
Implementations#
MatSetValuesRow_MPIAIJ() in src/mat/impls/aij/mpi/mpiaij.c
MatSetValuesRow_SeqAIJ() in src/mat/impls/aij/seq/aij.c
Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages