Dakota Reference Manual  Version 6.4
Large-Scale Engineering Optimization and Uncertainty Analysis
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Specify how the trial samples are generated


Alias: none

Argument(s): none

Default: random

Required/Optional Description of Group Dakota Keyword Dakota Keyword Description
(Choose One)
trial type (Group 1) grid Samples on a regular grid
halton Generate samples from a Halton sequence

Uses purely random Monte Carlo sampling to sample variables


The user has the option to specify the method by which the trials are created to adjust the centroids. The trial_type can be one of three types:

  • random, where points are generated randomly
  • halton, where points are generated according to the Halton sequence
  • grid, where points are placed on a regular grid over the hyperspace.