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.

ProblemD Target weight ∣ volume Total weightTotal volumeTotal valuesOptimal resultAlgorithmOutcomesRuntime
WorstMeanBestStd

KP920 111.63170.273813.61197.94HS1197.941197.941197.9407.90831
NGHS1197.941197.941197.9408.092175
EHS1197.941197.941197.9408.978277
ITHS1197.941197.941197.9408.588568
HSTL1197.941197.941197.9408.31578

KP1050 400.56408.57102115002.81HS4849.194935.0625002.8145.1685619.03619
NGHS4917.424963.4215002.8132.6028919.15758
EHS4933.244983.1694998.2724.1818223.48809
ITHS4926.074975.325002.8129.7286120.82369
HSTL4995.485000.0635002.812.98143218.9528

KP11100 3090.54599.21527811480.84HS11393.5911438.02411477.5235.01084251.07192
NGHS11440.3611457.37811480.8416.48324451.2287
EHS11456.4411468.7911480.8410.22150265.89753
ITHS11431.9611452.06811480.8418.27732754.87239
HSTL11466.6311477.3311480.846.15398945.31429

KP121000 250320400090157890unknownHS38064.9439108.26639924.89866.36169414.50957
NGHS41709.5142048.38642280.62235.6772424.71994
EHS40627.3640766.67840903.3123.45544454.46526
ITHS42485.8342671.1542928.94163.78948439.51866
HSTL43953.9744119.98744409.66119.80076393.5962

KP13300 136051415748464unknownHS7070.47140.2227254.7673.85445836.347165
NGHS7040.927153.617249.181.26604336.41226
EHS7253.677299.327369.5848.49052739.440654
ITHS7150.247202.67244.0142.54066239.450648
HSTL7345.467367.957390.5218.4267429.889155

Bold indicates best results.