Table 2.

Comparative convergence performances of four ABCs.

Case number	MCN	ABC		I-ABC		Gbest-ABC		IF-ABC
		Mean	C.R.	Mean	C.R.	Mean	C.R.	Mean	C.R.
1	100	0.9874	39.60%	0.9647	1.20%	0.9870	58.80%	0.9927	79.80%
2	1000	0.9701	25.40%	0.9400	0.40%	0.9709	36.40%	0.9829	57.80%
3	1000	0.9517	22.00%	0.9103	1.80%	0.9637	41.40%	0.9698	50.60%
4	1000	0.8806	3.00%	0.8664	0.20%	0.8746	1.80%	0.9445	44.20%

*Those bold values denote the best value (mean or C. R.) in every single line.