An Integrated Structure for Supplier Selection and Configuration of Knowledge-Based Networks Using QFD, ANP, and Mixed-Integer Programming Model

Table 4

The results obtained from different instances.

Small size			Medium size			Large size
𝑠×𝑐×𝑝×𝑑	Objective function ($)	Elapsed time* (Sec.)	𝑠×𝑐×𝑝×𝑑	Objective function ($)	Elapsed time* (Sec.)	𝑠×𝑐×𝑝×𝑑	Objective function ($)	Elapsed time* (Sec.)
2×2×5×8	0.14	7	3×3×8×15	0.18	108	5×3×12×25	0.15	1638
3×2×6×12	0.09	18	3×3×10×18	0.12	195	6×3×15×30	0.12	3104
2×3×5×10	0.12	44	4×3×10×20	0.16	355	6×4×15×30	0.11	5765
2×3×6×12	0.23	63	4×3×12×25	0.23	490	6×5×18×40	0.13	8442
3×3×6×12	0.17	79	5×2×12×25	0. 17	876	7×4×20×50	0.18	14769

∗shows the aggregate solution time calculated for each of the objective functions independently in addition to the final model solution elapsed time, that is, model (15).