petsc-3.14.6 2021-03-30
Report Typos and Errors

MatCompositeSetMatStructure

Indicates structure of matrices in the composite matrix.

Synopsis

#include "petscmat.h" 
PetscErrorCode MatCompositeSetMatStructure(Mat mat,MatStructure str)
Not Collective

Input Parameters

mat - the composite matrix
str - either SAME_NONZERO_PATTERN, DIFFERENT_NONZERO_PATTERN (default) or SUBSET_NONZERO_PATTERN

Notes

Information about the matrices structure is used in MatCompositeMerge() for additive composite matrix.

See Also

MatAXPY(), MatCreateComposite(), MatCompositeMerge() MatCompositeGetMatStructure(), MATCOMPOSITE

Level

advanced

Location

src/mat/impls/composite/mcomposite.c

Examples

src/mat/tutorials/ex9.c.html

Implementations

MatCompositeSetMatStructure_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