Mathematical Problems in Engineering / 2013 / Article / Tab 1

Research Article

Solving a Novel Inventory Location Model with Stochastic Constraints and Inventory Control Policy

Table 1

Summary results. Comparison between the results obtained by movements and .

Instance (%) (sec) (%) (sec) Gap (%)

151541.81 1.57% 305.93 142772.05 0.69% 94.62 5.79%
176910.48 0.76% 175.37 172204.30 0.50% 46.83 2.66%
155167.37 7.69% 97.86 125920.71 9.85% 86.94 18.85%
173094.71 7.54% 289.57 164272.51 9.61% 104.37 5.10%
144888.67 8.96% 223.16 134974.87 11.98% 79.43 6.84%
185303.83 6.05% 166.17 173147.78 7.57% 88.09 6.56%
164188.72 1.48% 155.14 155644.07 0.67% 64.94 5.20%
163959.14 1.39% 60.80 157637.04 0.30% 67.82 3.86%
164081.02 7.75% 203.51 152860.21 16.25% 87.88 6.84%
226197.19 5.71% 239.07 228169.26 11.13% 249.08 0.87%
300915.27 3.25% 217.26 301631.38 6.89% 198.21 −0.24%
142217.21 0.43% 235.52 123147.56 2.31% 114.04 13.41%
168438.53 0.33% 121.61 142471.58 1.52% 90.45 15.42%
146509.00 4.64% 218.86 124372.47 14.23% 199.12 15.11%
161718.90 6.10% 294.69 136471.36 15.16% 67.86 15.61%
137153.56 7.16% 240.17 114363.85 17.62% 82.98 16.62%
172214.43 4.57% 94.59 148850.52 11.69% 65.94 13.57%
155132.44 1.61% 181.48 133414.40 0.83% 53.26 14.00%
156367.93 1.39% 62.21 133270.49 0.73% 68.75 14.77%
154938.46 9.34% 216.25 132817.52 10.40% 69.38 14.28%
197953.21 7.59% 327.43 198309.61 7.06% 164.28 −0.18%
267045.25 4.54% 254.97 266821.85 4.58% 259.85 0.08%

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