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 singular matrix or preconditioner. In KSPHPDDM, this is also returned when some search directions within a block are colinear.
See Also#
KSP: Linear System Solvers, KSPSolve(), KSPGetConvergedReason(), KSPConvergedReason, KSPSetTolerances()
Level#
beginner
Location#
Examples#
Index of all KSP routines
Table of Contents for all manual pages
Index of all manual pages