The Cross-In-Tray function looks like:
![](https://static.packt-cdn.com/products/9781789612011/graphics/assets/443d9331-f505-451f-a20d-2074a903d966.png)
Cross-In-Tray Function
The Cross-In-Tray function looks like:
Dimensions: 2
The Cross-in-Tray function has multiple global minima. It is shown here with a smaller domain in the second plot, so that its characteristic cross will be visible.
The function is usually evaluated on the xi ∈ [-10, 10] square, for all i = 1, 2.