# Plots

Two contours of the function are presented below:

# Description and Features

• The function is not convex.
• The function is defined on n-dimensional space.
• The function is non-separable.
• The function is differentiable.

# Input Domain

The function can be defined on any input domain but it is usually evaluated on $x_i \in [-35, 35]$ for $i=1, …, n$.

# Global Minima

On the 2-dimensional space, the function has one global minima at $f(\textbf{x}^{\ast}) = -4.590101633799122$ located at $\mathbf{x^\ast}=(-1.51, -0.755)$.

# Implementation

An implementation of the Ackley N. 4 Function with MATLAB is provided below.

The function can be represented in Latex as follows: