TaoSetType#

Sets the method for the unconstrained minimization solver.

Synopsis#

#include "petsctao.h" 
PetscErrorCode TaoSetType(Tao tao, TaoType type)

Collective

Input Parameters#

  • solver - the Tao solver context

  • type - a known method

Options Database Key#

  • -tao_type - Sets the method; use -help for a list of available methods (for instance, “-tao_type lmvm” or “-tao_type tron”)

Available methods include#

  • TAONLS - nls Newton’s method with line search for unconstrained minimization

  • TAONTR - ntr Newton’s method with trust region for unconstrained minimization

  • TAONTL - ntl Newton’s method with trust region, line search for unconstrained minimization

  • TAOLMVM - lmvm Limited memory variable metric method for unconstrained minimization

  • TAOCG - cg Nonlinear conjugate gradient method for unconstrained minimization

  • TAONM - nm Nelder-Mead algorithm for derivate-free unconstrained minimization

  • TAOTRON - tron Newton Trust Region method for bound constrained minimization

  • TAOGPCG - gpcg Newton Trust Region method for quadratic bound constrained minimization

  • TAOBLMVM - blmvm Limited memory variable metric method for bound constrained minimization

  • TAOLCL - lcl Linearly constrained Lagrangian method for pde-constrained minimization

  • TAOPOUNDERS - pounders Model-based algorithm for nonlinear least squares

See Also#

Tao, TaoCreate(), TaoGetType(), TaoType

Level#

intermediate

Location#

src/tao/interface/taosolver.c

Examples#

src/ts/tutorials/ex20opt_ic.c.html
src/ts/tutorials/ex20opt_p.c.html
src/tao/unconstrained/tutorials/burgers_spectral.c.html
src/tao/unconstrained/tutorials/eptorsion1.c.html
src/tao/unconstrained/tutorials/eptorsion2.c.html
src/tao/unconstrained/tutorials/eptorsion2f.F90.html
src/tao/unconstrained/tutorials/eptorsion3.c.html
src/tao/unconstrained/tutorials/minsurf1.c.html
src/tao/unconstrained/tutorials/minsurf2.c.html
src/tao/unconstrained/tutorials/rosenbrock1.c.html
src/tao/unconstrained/tutorials/rosenbrock1f.F90.html


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