Test Functions

                      for Unconstrained Global Optimization

Beale Function

r Number of variables: n = 2.

r Definition:

 

 

r Search domain: −4.5 ≤ x_i ≤ 4.5, i = 1, 2.

r The global minimum: x^* =  (3, 0.5), f(x^*) = 0.

r MATLAB Code: download beale.m

r Function graph: