MatSetValuesRowLocal#

Inserts a row (block row for MATBAIJ matrices) of nonzero values into a matrix

Synopsis#

#include "petscmat.h" 
PetscErrorCode MatSetValuesRowLocal(Mat mat, PetscInt row, const PetscScalar v[])

Not Collective

Input Parameters#

  • mat - the matrix

  • row - the (block) row to set

  • v - a logically two-dimensional array of values

Notes#

The values, v, are column-oriented (for the block version) and sorted

All the nonzeros in the row must be provided

The matrix must have previously had its column indices set, likely by having been assembled.

The row must belong to this process

See Also#

Matrices, Mat, MatSetOption(), MatAssemblyBegin(), MatAssemblyEnd(), MatSetValuesBlocked(), MatSetValuesLocal(), InsertMode, INSERT_VALUES, ADD_VALUES, MatSetValues(), MatSetValuesRow(), MatSetLocalToGlobalMapping()

Level#

intermediate

Location#

src/mat/interface/matrix.c


Edit on GitLab

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