Table 1. Effect of parameters α, l and r in the results.

α = 0.2
	r = 1	r = 2	r = 3	r = 4
l = 1	0.8944	0.8631	0.7892	0.7275
l = 2	0.8612	0.8952	0.8656	0.7911
l = 3	0.8530	0.8610	0.8954	0.8658
l = 4	0.8527	0.8529	0.8610	0.8954
α = 0.4
	r = 1	r = 2	r = 3	r = 4
l = 1	0.8944	0.8807	0.8424	0.7930
l = 2	0.8669	0.8964	0.8820	0.8480
l = 3	0.8513	0.8653	0.8960	0.8819
l = 4	0.8503	0.8511	0.8647	0.8916
α = 0.6
	r = 1	r = 2	r = 3	r = 4
l = 1	0.8944	0.8880	0.8676	0.8416
l = 2	0.8700	0.8966	0.8895	0.8660
l = 3	0.8492	0.8670	0.8965	0.8885
l = 4	0.8478	0.8483	0.8648	0.8960
α = 0.8
	r = 1	r = 2	r = 3	r = 4
l = 1	0.8944	0.8930	0.8805	0.8623
l = 2	0.8727	0.8969	0.8917	0.8747
l = 3	0.8467	0.8667	0.8956	0.8817
l = 4	0.8425	0.8428	0.8580	0.8636