NORM_2

the two norm, \(||v|| = \sqrt{\sum_i |v_i|^2}\) (vectors only)

See Also

Vectors and Parallel Data, NormType, MatNorm(), VecNorm(), VecNormBegin(), VecNormEnd(), NORM_1, NORM_FROBENIUS, NORM_INFINITY, NORM_1_AND_2

Level

beginner

Location

include/petscvec.h

Examples

src/tao/pde_constrained/tutorials/parabolic.c
src/tao/leastsquares/tutorials/tomography.c
src/tao/pde_constrained/tutorials/elliptic.c
src/tao/unconstrained/tutorials/rosenbrock1.c
src/tao/constrained/tutorials/tomographyADMM.c
src/tao/tutorials/ex4.c
src/tao/unconstrained/tutorials/eptorsion3.c
src/tao/unconstrained/tutorials/eptorsion1.c

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