A Mathematical Model for the Industrial Hazardous Waste Location-Routing Problem

Table 1

Amount of two objective functions with regard to their weight vectors.

Solution number	1	2	3	4
𝑤1	0	0.1	0.2	0.3
𝑤2	1	0.9	0.8	0.7
𝑓1(𝑥)	6.839707∗10^7	6.839707∗10^7	6.8397707∗10^7	6.442543∗10^7
𝑓2(𝑥)	763254	763254	763254	849007
CPU time	0.047	0.094	0.039	0.047
Solution number	5	6	7	8
𝑤1	0.4	0.5	0.6	0.7
𝑤2	0.6	0.5	0.4	0.3
𝑓1(𝑥)	6.442543∗10^7	6.342844∗10^7	6.342791∗10^7	6.342791∗10^7
𝑓2(𝑥)	849007	864802	878519	878519
CPU time	0.078	0.078	0.047	0.031
Solution number	9	10	11
𝑤1	0.8	0.9	1
𝑤2	0.2	0.1	0
𝑓1(𝑥)	6.23202∗10^7	6161363∗10^7	6.136445∗10^7
𝑓2(𝑥)	895567	899487	977830
CPU time	0.036	0.093	0.062