petsc-3.11.4 2019-09-28
MatCompositeMerge
Given a composite matrix, replaces it with a "regular" matrix by summing all the matrices inside the composite matrix.
Synopsis
#include "petscmat.h"
PetscErrorCode MatCompositeMerge(Mat mat)
Collective on MPI_Comm
Input Parameters
mat -the composite matrix
Options Database
-mat_composite_merge (you must call MatAssemblyBegin()/MatAssemblyEnd() to have this checked) -
Notes
The MatType of the resulting matrix will be the same as the MatType of the FIRST
matrix in the composite matrix.
See Also
MatDestroy(), MatMult(), MatCompositeAddMat(), MatCreateComposite(), MATCOMPOSITE
Level
advanced
Location
src/mat/impls/composite/mcomposite.c
Examples
src/mat/examples/tutorials/ex9.c.html
Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages