petsc-3.9.4 2018-09-11
MatGetRowSum
Gets the sum of each row of the matrix
Synopsis
#include "petscmat.h"
PetscErrorCode MatGetRowSum(Mat mat, Vec v)
Logically or Neighborhood Collective on Mat and Vec
Input Parameters
mat -the matrix
Output Parameter
v -the vector for storing the sum of rows
Notes: This code is slow since it is not currently specialized for different formats
See Also
MatGetDiagonal(), MatCreateSubMatrices(), MatCreateSubMatrix(), MatGetRowMax(), MatGetRowMin()
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