Efficient Method to Approximately Solve Retrial Systems with Impatience

Table 2

Minimum value of 𝑄 to obtain relative errors (𝜖) lower than 10⁻⁸.

	𝜖𝑃b<10^−8			𝜖𝑃ns<10^−8			𝜖𝑁ret<10^−8
𝜌	0.5	0.7	0.9	0.5	0.7	0.9	0.5	0.7	0.9
VE1	20	32	61	25	41	64	22	37	57
VE2	14	31	53	21	35	58	17	32	54
VE3	15	18	48	19	31	53	16	26	50
VE4	12	25	47	17	30	48	14	26	47
VE5	12	24	44	12	24	44	9	18	43
VE6	10	20	41	14	26	44	11	22	39
VE7	7	21	39	11	24	42	8	21	40
VE8	8	17	39	11	23	36	8	19	39
VE9	9	19	38	10	22	39	9	13	34
VE10	10	16	35	10	21	39	10	17	35
VE11	11	18	31	11	16	37	11	18	37
VE12	12	15	40	12	20	42	12	17	42
VE13	13	14	43	14	19	43	13	18	43
VE14	14	23	48	26	25	48	14	24	48
VE15	15	25	56	15	29	56	15	25	56
VE16	16	27	56	18	29	57	28	27	57
Exact Value	3.89⋅10^−6	0.0045	0.1353	6.05⋅10^−8	1.34⋅10^−4	0.0110	5.74⋅10^−5	0.0981	4.4789