petsc-3.6.4 2016-04-12
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/../../../include/petscksp.h
Index of all KSP routines
Table of Contents for all manual pages
Index of all manual pages