Dakota Reference Manual: gradient

| Dakota Reference Manual Version 6.15 Explore and Predict with Confidence

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gradient

Fill the range space of the surrogate

## Specification

Alias: none

Argument(s): none

## Description

The gradient metric calculates the score as the absolute value of the difference in range space (the outputs) of the two points. The output values used are predicted from the surrogate model. This method attempts to evenly fill the range space of the surrogate.