MatDiagonalSetDiagonal

Sets the diagonal for a MATDIAGONAL

Synopsis

#include "petscmat.h" 
#include "petscvec.h" 
PetscErrorCode MatDiagonalSetDiagonal(Mat J, Vec diag)

Collective

Input Parameter

• J - the MATDIAGONAL matrix

• diag - the vector for the diagonal

Notes

The input vector diag will be referenced internally: any changes to diag will affect the matrix J.

This routine can only be called once for the given J matrix.

See Also

Matrices, Mat, MatDestroy(), MatCreateDiagonal(), MATDIAGONAL, MatScale(), MatShift(), MatMult(), MatGetDiagonal(), MatSolve(), MatDiagonalRestoreInverseDiagonal(), MatDiagonalGetDiagonal(), MatDiagonalRestoreDiagonal(), MatDiagonalGetInverseDiagonal(), MATCONSTANTDIAGONAL

Level

advanced

Location

src/mat/impls/diagonal/diagonal.c

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Index of all Mat routines
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