PETSc version 3.15.4
Do not compute a norm during the Krylov process. This will possibly save some computation but means the convergence test cannot be based on a norm of a residual etc.
Note: Some Krylov methods need to compute a residual norm (such as GMRES) and then this option is ignored
KSPNormType, KSPSetNormType(), KSP_NORM_PRECONDITIONED, KSP_NORM_UNPRECONDITIONED, KSP_NORM_NATURAL
Index of all KSP routines
Table of Contents for all manual pages
Index of all manual pages