This function is approximately linear on the given domain, but has a slope of zero at the origin (Currin et al., 1988). Currin, C., Mitchell, T., Morris, M., & Ylvisaker, D. (1988). A Bayesian ...

This function is a simple one-dimensional example used for illustrating methods of modeling computer experiment output. There is generally a random term ε ~ N(0, 0.1 2) added to the response. x 10, ...