petsc-3.7.1 2016-05-15
Report Typos and Errors

MatCreateMAIJ

 Creates a matrix type providing restriction and interpolation operations for multicomponent problems. It interpolates each component the same way independently. The matrix type is based on MATSEQAIJ for sequential matrices, and MATMPIAIJ for distributed matrices.

Synopsis

#include "petscmat.h" 
PetscErrorCode  MatCreateMAIJ(Mat A,PetscInt dof,Mat *maij)
Collective Many br

Input Parameters

A - the AIJ matrix describing the action on blocks Many br
dof - the block size (number of components per node) Many br

Output Parameter

maij -the new MAIJ matrix Many br

Operations provided

MatMult- . MatMultTranspose Many br
MatMultAdd- . MatMultTransposeAdd Many br
MatView- Many br Many br

See Also

MatMAIJGetAIJ(), MatMAIJRedimension(), MATMAIJ

Level:advanced
Location:src/mat/impls/maij/maij.c
Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages

Examples

src/snes/examples/tutorials/ex48.c.html