petsc-3.9.4 2018-09-11
Report Typos and Errors

KSP_DIVERGED_BREAKDOWN

 A breakdown in the Krylov method was detected so the method could not continue to enlarge the Krylov space. Could be due to a singlular matrix or preconditioner.

See Also

KSPSolve(), KSPGetConvergedReason(), KSPConvergedReason, KSPSetTolerances()

Level

beginner

Location

src/ksp/ksp/guess/../../../../include/petscksp.h
Index of all KSP routines
Table of Contents for all manual pages
Index of all manual pages