Test Functions

for Unconstrained Global Optimization

Ackley Function

r Number of variables: n variables.

r Definition:

 

 

r Search domain: 15 xi 30, i = 1, 2, . . . , n.

r Number of local minima: several local minima.

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

r MATLAB Code: download ackley.m

r Function graph: for n = 2.

 

 

 

 

GO Test Problems