SNESNewtonTRFallbackType#
type of fallback in case the solution of the trust-region subproblem is outside of the radius
Synopsis#
typedef enum {
  SNES_TR_FALLBACK_NEWTON,
  SNES_TR_FALLBACK_CAUCHY,
  SNES_TR_FALLBACK_DOGLEG,
} SNESNewtonTRFallbackType;
Values#
- SNES_TR_FALLBACK_NEWTON- use scaled Newton step
- SNES_TR_FALLBACK_CAUCHY- use Cauchy direction
- SNES_TR_FALLBACK_DOGLEG- use dogleg method
See Also#
Level#
intermediate
Location#
Index of all SNES routines
Table of Contents for all manual pages
Index of all manual pages