Research Article
A Novel Harmony Search Algorithm Based on Teaching-Learning Strategies for 0-1 Knapsack Problems
Table 4
The result of 2-dimensional (weight and volume versus value) knapsack problems.
| Problem | D | Target weight ∣ volume | Total weight | Total volume | Total values | Optimal result | Algorithm | Outcomes | Runtime | Worst | Mean | Best | Std |
| KP9 | 20 | | 111.63 | 170.27 | 3813.6 | 1197.94 | HS | 1197.94 | 1197.94 | 1197.94 | 0 | 7.90831 | NGHS | 1197.94 | 1197.94 | 1197.94 | 0 | 8.092175 | EHS | 1197.94 | 1197.94 | 1197.94 | 0 | 8.978277 | ITHS | 1197.94 | 1197.94 | 1197.94 | 0 | 8.588568 | HSTL | 1197.94 | 1197.94 | 1197.94 | 0 | 8.31578 |
| KP10 | 50 | | 400.56 | 408.57 | 10211 | 5002.81 | HS | 4849.19 | 4935.062 | 5002.81 | 45.16856 | 19.03619 | NGHS | 4917.42 | 4963.421 | 5002.81 | 32.60289 | 19.15758 | EHS | 4933.24 | 4983.169 | 4998.27 | 24.18182 | 23.48809 | ITHS | 4926.07 | 4975.32 | 5002.81 | 29.72861 | 20.82369 | HSTL | 4995.48 | 5000.063 | 5002.81 | 2.981432 | 18.9528 |
| KP11 | 100 | | 3090.5 | 4599.2 | 15278 | 11480.84 | HS | 11393.59 | 11438.024 | 11477.52 | 35.010842 | 51.07192 | NGHS | 11440.36 | 11457.378 | 11480.84 | 16.483244 | 51.2287 | EHS | 11456.44 | 11468.79 | 11480.84 | 10.221502 | 65.89753 | ITHS | 11431.96 | 11452.068 | 11480.84 | 18.277327 | 54.87239 | HSTL | 11466.63 | 11477.33 | 11480.84 | 6.153989 | 45.31429 |
| KP12 | 1000 | | 250320 | 400090 | 157890 | unknown | HS | 38064.94 | 39108.266 | 39924.89 | 866.36169 | 414.50957 | NGHS | 41709.51 | 42048.386 | 42280.62 | 235.6772 | 424.71994 | EHS | 40627.36 | 40766.678 | 40903.3 | 123.45544 | 454.46526 | ITHS | 42485.83 | 42671.15 | 42928.94 | 163.78948 | 439.51866 | HSTL | 43953.97 | 44119.987 | 44409.66 | 119.80076 | 393.5962 |
| KP13 | 300 | | 13605 | 14157 | 48464 | unknown | HS | 7070.4 | 7140.222 | 7254.76 | 73.854458 | 36.347165 | NGHS | 7040.92 | 7153.61 | 7249.1 | 81.266043 | 36.41226 | EHS | 7253.67 | 7299.32 | 7369.58 | 48.490527 | 39.440654 | ITHS | 7150.24 | 7202.6 | 7244.01 | 42.540662 | 39.450648 | HSTL | 7345.46 | 7367.95 | 7390.52 | 18.42674 | 29.889155 |
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Bold indicates best results.
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