KSP_DIVERGED_DTOL#

\(||r|| \ge dtol*||b||\)

Note#

See KSPNormType and KSPSetNormType() for possible norms that may be used. By default for left preconditioning it is the 2-norm of the preconditioned residual, and the 2-norm of the residual for right preconditioning

See Also#

KSP: Linear System Solvers, KSPNormType, KSP_CONVERGED_ATOL, KSP_DIVERGED_RTOL, KSPSolve(), KSPGetConvergedReason(), KSPConvergedReason, KSPSetTolerances()

Level#

beginner

Location#

include/petscksp.h


Index of all KSP routines
Table of Contents for all manual pages
Index of all manual pages