optpp_pds

Simplex-based derivative free optimization method

Topics

package_optpp

Specification

  • Alias: None

  • Arguments: None

Child Keywords:

Required/Optional

Description of Group

Dakota Keyword

Dakota Keyword Description

Optional

search_scheme_size

Number of points to be used in the direct search template

Optional

max_iterations

Number of iterations allowed for optimizers and adaptive UQ methods

Optional

convergence_tolerance

Stopping criterion based on objective function or statistics convergence

Optional

max_function_evaluations

Number of function evaluations allowed for optimizers

Optional

scaling

Turn on scaling for variables, responses, and constraints

Optional

model_pointer

Identifier for model block to be used by a method

Description

The direct search algorithm, PDS (parallel direct search method), supports bound constraints.

The PDS method can directly exploit asynchronous evaluations; however, this capability has not yet been implemented in Dakota.

See Package: OPT++ for info related to all optpp methods.