petsc-3.12.4 2020-02-04
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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

SNESSolve(), SNESGetConvergedReason(), SNESConvergedReason, SNESSetTolerances()

### Level

beginner

### Location

src/snes/../../include/petscsnes.h
Index of all SNES routines
Table of Contents for all manual pages
Index of all manual pages