petsc-3.10.2 2018-10-09
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MatInvertBlockDiagonalMat

set matrix C to be the inverted block diagonal of matrix A

Synopsis

#include "petscmat.h" 
PetscErrorCode MatInvertBlockDiagonalMat(Mat A,Mat C)
Collective on Mat

Input Parameters

A -the matrix

Output Parameters

C -matrix with inverted block diagonal of A. This matrix should be created and may have its type set.

Notes: the blocksize of the matrix is used to determine the blocks on the diagonal of C

See Also

MatInvertBockDiagonal()

Level

advanced

Location

src/mat/interface/matrix.c
Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages