TaoLineSearchType#

String with the name of a TaoLineSearch method

Synopsis#

typedef const char *TaoLineSearchType;
#define TAOLINESEARCHUNIT     "unit"
#define TAOLINESEARCHMT       "more-thuente"
#define TAOLINESEARCHGPCG     "gpcg"
#define TAOLINESEARCHARMIJO   "armijo"
#define TAOLINESEARCHOWARMIJO "owarmijo"
#define TAOLINESEARCHIPM      "ipm"

Values#

TAOLINESEARCHUNIT - “unit” do not perform a line search and always accept unit step length
TAOLINESEARCHMT - “more-thuente” line search with a cubic model enforcing the strong Wolfe/curvature condition
TAOLINESEARCHGPCG - “gpcg”
TAOLINESEARCHARMIJO - “armijo” simple backtracking line search enforcing only the sufficient decrease condition
TAOLINESEARCHOWARMIJO - “owarmijo”
TAOLINESEARCHIPM - “ipm”

Options Database Key#

-tao_ls_type - select which method Tao should use at runtime

See Also#

TAO: Optimization Solvers, Tao, TaoLineSearch, TaoLineSearchSetType(), TaoCreate(), TaoSetType()

Level#

beginner

Location#

include/petsctaolinesearch.h

Index of all Tao routines
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Index of all manual pages