SNES_CONVERGED_FNORM_RELATIVE — PETSc 3.21.4 documentation

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# SNES_CONVERGED_FNORM_RELATIVE

2-norm(F) <= rtol*2-norm(F(x_0)) where x_0 is the initial guess

## See Also

SNES: Nonlinear Solvers, `SNES`, `SNESSolve()`, `SNESGetConvergedReason()`, `SNESConvergedReason`, `SNESSetTolerances()`

## Level

beginner

## Location

include/petscsnes.h

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