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Dakota Reference Manual
Version 6.15
Explore and Predict with Confidence
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Stopping critiera based on L2 norm of gradient
Alias: none
Argument(s): REAL
Default: 1.e-4
The gradient_tolerance
control defines the threshold value on the L2 norm of the objective function gradient (for unconstrained minimum or no active constraints) or the Lagrangian gradient (for constrained minimum) that indicates convergence to a stationary point. The gradient_tolerance
control is currently defined only for the OPT++ and ROL libraries.