Dakota Reference Manual  Version 6.15
Explore and Predict with Confidence
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build_surrogate


Construct moving least squares surrogate over active subspace

Specification

Alias: none

Argument(s): none

Child Keywords:

Required/Optional Description of Group Dakota Keyword Dakota Keyword Description
Optional refinement_samples

Number of supplementary surrogate build samples

Description

Once the active subspace variables have been identified, replace the fullspace truth model with a moving least squares surrogate model over the reduced variables. The surrogate is constructed using the fullspace function value samples collected during subspace identification, possibly supplemented with additional refinement_samples in the fullspace.

Default Behavior

No surrogate is constructed by default.

Examples

model
  active_subspace
    id_model = 'SUBSPACE'
    actual_model_pointer = 'FULLSPACE'
    initial_samples  100
   build_surrogate
     refinement_samples 10