petsc-3.10.5 2019-03-28
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# SNES_CONVERGED_SNORM_RELATIVE

The 2-norm of the last step <= stol * 2-norm(x) where x is the current solution and stol is the 4th argument to SNESSetTolerances()

### Options Database Keys

-snes_stol <stol> - the step tolerance

### 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