SNESNewtonTRQNType#

type of quasi-Newton model to use

Synopsis#

typedef enum {
  SNES_TR_QN_NONE,
  SNES_TR_QN_SAME,
  SNES_TR_QN_DIFFERENT,
} SNESNewtonTRQNType;

Values#

SNES_TR_QN_NONE - do not use a quasi-Newton model
SNES_TR_QN_SAME - use the same quasi-Newton model for matrix and the generation of the preconditioner
SNES_TR_QN_DIFFERENT - use different quasi-Newton models for matrix and the generation of the preconditioner

See Also#

SNES: Nonlinear Solvers, SNES, SNESNEWTONTR

Level#

intermediate

Location#

include/petscsnes.h

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