TAOCG

Nonlinear conjugate gradient method is an extension of the nonlinear conjugate gradient solver for nonlinear optimization.

Options Database Keys

• -tao_cg_eta r - restart tolerance

• -tao_cg_type taocg_type - cg formula, one of fr, pr, prp, hs, dy

• -tao_cg_delta_min r - minimum delta value

• -tao_cg_delta_max r - maximum delta value

Note

The cg formulas are

• fr - Fletcher-Reeves

• pr - Polak-Ribiere

• prp - Polak-Ribiere-Plus

• hs - Hestenes-Steifel

• dy - Dai-Yuan

See Also

Tao, TAONTR, TAONLS, TaoType, TaoCreate()

Level

beginner

Location

src/tao/unconstrained/impls/cg/taocg.c

Examples

src/tao/unconstrained/tutorials/minsurf2.c
src/tao/unconstrained/tutorials/eptorsion2f.F90
src/tao/unconstrained/tutorials/eptorsion2.c

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