Test Functions

for Unconstrained Global Optimization

Griewank Function

r Number of variables: n variables.

r Definition:

 

r Search domain: 600 xi 600, i = 1, 2, . . . , n.

r Number of local minima: several local minima.

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

r MATLAB Code: download griew.m

r Function graph: for n = 2.

GO Test Problems