Table 8 Optimal results of case study based on Model 2 (without circular economy).

From: A circular economy based nonlinear corrugated waste management system using Fermatean bipolar hesitant fuzzy logic

Methodology

Solution

WST

\(Z_{1} = 5,667,421.18,Z_{2} = 40,388.75, Z_{3} = 15,735,085.1,\)\(x_{1111}^{13} = 28.63,x_{1112}^{13} = 23.63, x_{1121}^{13} = 27.80,\) \(x_{1122}^{13} = 22.05, x_{1111}^{23} = 30.69, x_{1112}^{23} = 23.80,x_{1121}^{23} = 31.07, x_{1122}^{23} = 22.56, x_{1111}^{34} = 5.12,\) \(x_{1112}^{34} = 46.23,\)\(x_{1121}^{34} = 52.86, x_{1122}^{34} = 45.78\)

GCM

\(Z_{1} = 6,192,508.76,Z_{2} = 40,270.441, Z_{3} = 17,429,482.4,\)\(x_{1111}^{13} = 27.98,x_{1112}^{13} = 23.34, x_{1121}^{13} = 28.00,\) \(x_{1122}^{13} = 21.60, x_{1111}^{23} = 31.51, x_{1112}^{23} = 24.09,x_{1121}^{23} = 31.74, x_{1122}^{23} = 22.98, x_{1111}^{34} = 5.18,\) \(x_{1112}^{34} = 46.67,\)\(x_{1121}^{34} = 53.67, x_{1122}^{34} = 44.79\)

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