SNESGetUpdateNorm

Gets the last computed norm of the solution update

Synopsis

#include "petscsnes.h"  
PetscErrorCode SNESGetUpdateNorm(SNES snes, PetscReal *ynorm)

Not Collective

Input Parameter

• snes - the SNES context

Output Parameter

• ynorm - the last computed update norm

Note

The new solution is the current solution plus the update, so this norm is an indication of the size of the update

See Also

SNES: Nonlinear Solvers, SNES, SNESSetNormSchedule(), SNESComputeFunction(), SNESGetFunctionNorm()

Level

developer

Location

src/snes/interface/snes.c

---

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