#include "petscmat.h" PetscErrorCode MatGetColumnNorms(Mat A,NormType type,PetscReal norms[])
A | - the matrix Many br | |
type | - NORM_2, NORM_1 or NORM_INFINITY Many br |
Many br
Notes: Each process has ALL the column norms after the call. Because of the way this is computed each process gets all the values, Many brif each process wants only some of the values it should extract the ones it wants from the array. Many br
Level:intermediate
Location:src/mat/utils/getcolv.c
Index of all Mat routines
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Index of all manual pages