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Table 3 Transportation cost for waste from district to transfer station ($/t)

From: Robust interval quadratic programming and its application to waste management under uncertainty

  k = 1 k = 2 k = 3
D1-BJ [3.49-0.0030x, 5.38-0.0047x] [3.66-0.0032x, 5.65-0.0049x] [3.96-0.0034x, 6.10-0.0052x]
D2-BJ [4.73-0.0041x, 6.44-0.0056x] [4.97-0.0043x, 6.76-0.0058x] [5.37-0.0046x, 7.30-0.0062x]
D3-BJ [3.39-0.0029x, 5.67-0.0049x] [3.56-0.0031x, 5.96-0.0051x] [3.84-0.0033x, 6.43-0.0055x]
D4-BJ [1.25-0.0019x, 5.36-0.0047x] [1.31-0.0011x, 3.06-0.0026x] [1.41-0.0012x, 3.30-0.0028x]
D5-BJ [2.24-0.0019x, 5.36-0.0047x] [2.35-0.0020x, 5.62-0.0048x] [2.54-0.0022x, 6.08-0.0052x]
D1-NG [1.74-0.0015x, 4.42-0.0038x] [1.83-0.0016x, 4.64-0.0040x] [2.00-0.0017x, 5.01-0.0043x]
D2-NG [1.50-0.0013x, 4.29-0.0037x] [1.57-0.0013x, 4.51-0.0039x] [1.70-0.0014x, 4.87-0.0041x]
D3-NG [1.25-0.0011x, 4.24-0.0037x] [1.31-0.0011x, 4.45-0.0038x] [1.41-0.0012x, 4.80-0.0041x]
D4-NG [0.50-0.0004x, 2.05-0.0018x] [0.52-0.0004x, 2.15-0.0018x] [0.57-0.0005x, 2.32-0.0020x]
D5-NG [1.49-0.0013x, 5.35-0.0046x] [1.57-0.0013x, 5.61-0.0048x] [1.70-0.0014x, 6.06-0.0052x]
D1-CJ [0.25-0.0002x, 2.91-0.0025x] [0.26-0.0002x, 3.06-0.0026x] [0.28-0.0002x, 3.30-0.0028x]
D2-CJ [0.50-0.0004x, 3.22-0.0028x] [0.52-0.0004x, 3.38-0.0029x] [0.57-0.0005x, 3.65-0.0031x]
D3-CJ [2.24-0.0019x, 3.37-0.0031x] [2.35-0.0020x, 3.54-0.0030x] [2.54-0.0022x, 3.83-0.0032x]
D4-CJ [1.74-0.0015x, 3.52-0.0031x] [1.83-0.0016x, 3.69-0.0032x] [1.98-0.0017x, 4.00-0.0034x]
D5-CJ [2.99-0.0026x, 6.14-0.0053x] [3.14-0.0027x, 6.45-0.0055x] [3.39-0.0029x, 6.97-0.0059x]
D1-XM [2.99-0.0026x, 3.22-0.0028x] [3.14-0.0027x, 3.38-0.0029x] [3.39-0.0029x, 3.65-0.0031x]
D2-XM [1.74-0.0015x, 2.91-0.0025x] [1.83-0.0016x, 3.06-0.0026x] [1.98-0.0017x, 3.30-0.0028x]
D3-XM [0.54-0.0004x, 2.45-0.0021x] [0.56-0.0005x, 2.58-0.0022x] [0.61-0.0005x, 2.78-0.0024x]
D4-XM [1.50-0.0015x, 5.65-0.0049x] [1.57-0.0013x, 2.74-0.0024x] [1.70-0.0014x, 2.96-0.0025x]
D5-XM [1.74-0.0015x, 5.65-0.0049x] [1.83-0.0016x, 5.94-0.0051x] [1.98-0.0017x, 6.41-0.0055x]
D1-HG [4.99-0.0043x, 5.98-0.0052x] [5.24-0.0045x, 6.28-0.0054x] [5.66-0.0048x, 6.78-0.0058x]
D2-HG [2.51-0.0022x, 3.36-0.0029x] [2.64-0.0023x, 3.53-0.0030x] [2.85-0.0024x, 3.81-0.0032x]
D3-HG [1.01-0.0009x, 3.02-0.0026x] [1.06-0.0009x, 3.17-0.0027x] [1.14-0.0010x, 3.42-0.0029x]
D4-HG [1.26-0.0011x, 2.91-0.0025x] [1.33-0.0011x, 3.06-0.0026x] [1.44-0.0012x, 3.30-0.0028x]
D5-HG [0.58-0.0005x, 2.15-0.0019x] [0.61-0.0005x, 2.25-0.0019x] [0.66-0.0006x, 2.43-0.0021x]
D1-NH [4.73-0.0041x, 5.37-0.0047x] [4.97-0.0043x, 5.64-0.0049x] [5.37-0.0048x, 6.09-0.0052x]
D2-NH [1.75-0.0015x, 3.35-0.0029x] [1.84-0.0016x, 3.52-0.0030x] [1.99-0.0017x, 3.80-0.0032x]
D3-NH [0.53-0.0004x, 3.22-0.0029x] [0.55-0.0005x, 3.38-0.0029x] [0.60-0.0005x, 3.65-0.0031x]
D4-NH [5.31-0.0046x, 6.46-0.0056x] [5.57-0.0048x, 6.78-0.0058x] [6.02-0.0051x, 7.33-0.0062x]
D5-NH [1.74-0.0015x, 5.79-0.0050x] [1.83-0.0016x, 6.08-0.0052x] [1.98-0.0017x, 6.56-0.0056x]