generate_griewank_function: Griewank test function generator.
Description
The definition used is
Usage
generate_griewank_function(dimensions)
Arguments
dimensions
[integer(1)] Size of parameter space.
Details
$$f(x) = \displaystyle \sum_{i=1}^n \frac{x_i^2}{4000} - \prod_{i=1}^n \cos \left(\frac{x_i}{\sqrt{i}}\right) + 1$$
References
A. O. Griewank. Generalized descent for global optimization.
Journal of Optimization Theory and Applications 34:11-39, 1981.