TF_winkel {TestFunctions}

TF_winkel: winkel function for evaluating a single point.

Description

TF_winkel: winkel function for evaluating a single point.

Usage

TF_winkel(x)

Arguments

x

Input vector at which to evaluate.

Value

Function output evaluated at x.

References

Winkel, Munir A., Jonathan W. Stallings, Curt B. Storlie, and Brian J. Reich. "Sequential Optimization in Locally Important Dimensions." arXiv preprint arXiv:1804.10671 (2018).

Examples

TF_winkel(rep(0,2))
TF_winkel(rep(1,2))