Dakota Reference Manual  Version 6.4
Large-Scale Engineering Optimization and Uncertainty Analysis
 All Pages
state_variables

Description

State variables provide a convenient mechanism for managing additional model parameterizations such as mesh density, simulation convergence tolerances, and time step controls.

Only parameter studies and design of experiments methods will iterate on state variables.

The initial_state is used as the only value for the state variable for all other methods, unless active state is invoked.

If a method iterates on a state variable, the variable is treated as a design variable with the given bounds, or as a uniform uncertain variable with the given bounds.

If the state variable is defined only by its bounds, and the method does NOT iterate on state variables, then the initial_state must be inferred.

Related Topics

Related Keywords

  • continuous_state : State variable - continuous
  • discrete_state_range : State variables - discrete range-valued
  • discrete_state_set : State variable - discrete set-valued
  • integer : Discrete state variables, each defined by a set of permissible integers
  • real : Discrete state variables, each defined by a set of permissible real numbers
  • string : String-valued discrete state set variables