MatNorm#
Calculates various norms of a matrix.
Synopsis#
#include "petscmat.h"
PetscErrorCode MatNorm(Mat mat, NormType type, PetscReal *nrm)
Collective
Input Parameters#
mat - the matrix
type - the type of norm,
NORM_1,NORM_FROBENIUS,NORM_INFINITY
Output Parameter#
nrm - the resulting norm
See Also#
Level#
intermediate
Location#
Examples#
src/ts/tutorials/ex14.c
src/snes/tutorials/ex48.c
src/ksp/ksp/tutorials/ex77f.F90
src/ksp/ksp/tutorials/ex77.c
src/ksp/ksp/tutorials/ex21.c
src/ksp/ksp/tutorials/ex34.c
src/ksp/ksp/tutorials/ex29.c
src/ksp/ksp/tutorials/ex76.c
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_ConstantDiagonal() in src/mat/impls/cdiagonal/cdiagonal.c
MatNorm_MPIDense() in src/mat/impls/dense/mpi/mpidense.c
MatNorm_SeqDense() in src/mat/impls/dense/seq/dense.c
MatNorm_Diagonal() in src/mat/impls/diagonal/diagonal.c
MatNorm_Elemental() in src/mat/impls/elemental/matelem.cxx
MatNorm_H2OPUS() in src/mat/impls/h2opus/cuda/math2opus.cu
MatNorm_MPISBAIJ() in src/mat/impls/sbaij/mpi/mpisbaij.c
MatNorm_SeqSBAIJ() in src/mat/impls/sbaij/seq/sbaij2.c
MatNorm_ScaLAPACK() in src/mat/impls/scalapack/matscalapack.c
Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages