MatCompositeMerge#
Given a composite matrix, replaces it with a “regular” matrix by summing or computing the product of all the matrices inside the composite matrix.
Synopsis#
#include "petscmat.h"
PetscErrorCode MatCompositeMerge(Mat mat)
Collective
Input Parameter#
mat - the composite matrix
Options Database Keys#
-mat_composite_merge - merge in
MatAssemblyEnd()-mat_composite_merge_type - set merge direction
Note#
The MatType of the resulting matrix will be the same as the MatType of the FIRST matrix in the composite matrix.
See Also#
Matrices, Mat, MatDestroy(), MatMult(), MatCompositeAddMat(), MatCreateComposite(), MatCompositeSetMatStructure(), MatCompositeSetMergeType(), MATCOMPOSITE
Level#
advanced
Location#
Examples#
Implementations#
MatCompositeMerge_Composite in src/mat/impls/composite/mcomposite.c
Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages