MatGetRowSumAbs

Gets the sum value (in absolute value) of each row of the matrix

Synopsis

#include "petscmat.h" 
PetscErrorCode MatGetRowSumAbs(Mat mat, Vec v)

Logically Collective

Input Parameter

• mat - the matrix

Output Parameter

• v - the vector for storing the sum

This code is only implemented for a couple of matrix formats.

See Also

Matrices, Mat, MatGetDiagonal(), MatCreateSubMatrices(), MatCreateSubMatrix(), MatGetRowMax(), MatGetRowMin(), MatGetRowMinAbs()

Level

intermediate

Location

src/mat/interface/matrix.c

Examples

src/ksp/ksp/tutorials/ex72.c

Implementations

MatGetRowSumAbs_MPIAIJ() in src/mat/impls/aij/mpi/mpiaij.c
MatGetRowSumAbs_SeqAIJ() in src/mat/impls/aij/seq/aij.c
MatGetRowSumAbs_MPIBAIJ() in src/mat/impls/baij/mpi/mpibaij.c
MatGetRowSumAbs_SeqBAIJ() in src/mat/impls/baij/seq/baij.c

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Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages