petsc-3.12.5 2020-03-29
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MatSetValuesRowLocal

Inserts a row (block row for BAIJ 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

By 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

The row must belong to this process

See Also

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

Level

intermediate

Location

src/mat/interface/matrix.c
Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages