petsc-3.9.4 2018-09-11
KSP_DIVERGED_NONSYMMETRIC
It appears the operator or preconditioner is not symmetric and this Krylov method (KSPCG, KSPMINRES, KSPCR) requires symmetry
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