Construction of Optimal Derivative-Free Techniques without Memory

Table 1

Comparisons of efficiency indices for different types of derivative-free schemes.

M.	(1.1)	(2.1)	(2.2)	(2.3)	(2.4)	(5.1)	(3.14)	(4.4)
E.I.	2^1/2≈1.414	4^1/3≈1.587	6^1/5≈1.495	8^1/4≈1.682	8^1/4≈1.682	8^1/4≈1.682	8^1/4≈1.682	16^1/5≈1.741