Test Functions
for Unconstrained Global Optimization
1. Ackley Function
2. Beale Function
3. Bohachevsky Function
4. Booth Function
5. Branin Function
6. Colville Function
7. Dixon & Price Function
8. Easom Function
9. Goldstein & Price Function
10. Griewank Function
11. Hartmann Functions
12. Hump Function
13. Levy Function
14. Matyas Function
15. Michalewicz Function
16. Perm Functions
17. Powell Function
18. Power Sum Function
19. Rastrigin Function
20. Rosenbrock Function
21. Schwefel Function
22. Shekel Function
23. Shubert Function
24. Sphere Function
25. Sum Squares Function
26. Trid Function
27. Zakharov Function