petsc-3.7.5 2017-01-01
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TSErrorWeightedNorm

 compute a weighted norm of the difference between two state vectors

Synopsis

#include "petscts.h"  
PetscErrorCode TSErrorWeightedNorm(TS ts,Vec U,Vec Y,NormType wnormtype,PetscReal *norm)
Collective on TS

Input Arguments

ts - time stepping context
U - state vector, usually ts->vec_sol
Y - state vector to be compared to U
wnormtype - norm type, either NORM_2 or NORM_INFINITY

Output Arguments

norm -weighted norm, a value of 1.0 is considered small

Options Database Keys

-ts_adapt_wnormtype <wnormtype> -2, INFINITY

See Also

TSErrorWeightedNormInfinity(), TSErrorWeightedNorm2()

Level:developer
Location:src/ts/interface/ts.c
Index of all TS routines
Table of Contents for all manual pages
Index of all manual pages