petsc-3.9.4 2018-09-11
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MatNorm
Calculates various norms of a matrix.
Synopsis
#include "petscmat.h"
PetscErrorCode
MatNorm
(
Mat
mat,
NormType
type,
PetscReal
*nrm)
Collective on
Mat
Input Parameters
mat
- the matrix
type
- the type of norm,
NORM_1
,
NORM_FROBENIUS
,
NORM_INFINITY
Output Parameters
nrm
-the resulting norm
Level
intermediate
Location
src/mat/interface/matrix.c
Examples
src/snes/examples/tutorials/ex48.c.html
src/ts/examples/tutorials/ex14.c.html
src/tao/bound/examples/tutorials/jbearing2.c.html
Implementations
MatNorm_MPIAIJ in src/mat/impls/aij/mpi/mpiaij.c
MatNorm_SeqAIJ in src/mat/impls/aij/seq/aij.c
MatNorm_MPIBAIJ in src/mat/impls/baij/mpi/mpibaij.c
MatNorm_SeqBAIJ in src/mat/impls/baij/seq/baij2.c
MatNorm_MPIDense in src/mat/impls/dense/mpi/mpidense.c
MatNorm_SeqDense in src/mat/impls/dense/seq/dense.c
MatNorm_Elemental in src/mat/impls/elemental/matelem.cxx
MatNorm_MPISBAIJ in src/mat/impls/sbaij/mpi/mpisbaij.c
MatNorm_SeqSBAIJ in src/mat/impls/sbaij/seq/sbaij2.c
Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages