AUGUST 2022 | IEEE COMPUTATIONAL INTELLIGENCE MAGAZINE 45 TABLE IV IGD values obtained by 11 MOEAs on SMOP1-SMOP8 with 100 to 5000 decision variables. PROBLEM (D) NSGA-II SMOP1 (100) SMOP2 (100) SMOP3 (100) SMOP4 (100) SMOP5 (100) SMOP6 (100) SMOP7 (100) SMOP8 (100) SMOP1 (500) SMOP2 (500) SMOP3 (500) SMOP4 (500) SMOP5 (500) SMOP6 (500) SMOP7 (500) SMOP8 (500) SMOP1 (1000) SMOP2 (1000) SMOP3 (1000) SMOP4 (1000) SMOP5 (1000) SMOP6 (1000) SMOP7 (1000) SMOP8 (1000) SMOP1 (5000) SMOP2 (5000) SMOP3 (5000) SMOP4 (5000) SMOP5 (5000) SMOP6 (5000) SMOP7 (5000) SMOP8 (5000) Average ranking 1.3881e-1 5.9326e-1 8.9196e-1 1.8464e-1 3.7593e-1 5.1558e-2 3.7936e-1 1.6116e+0 1.9086e-1 8.1616e-1 1.0870e+0 3.4758e-1 3.7684e-1 5.4521e-2 4.0898e-1 1.7140e+0 2.3802e-1 9.5843e-1 1.2041e+0 4.2098e-1 3.8407e-1 6.4852e-2 4.7519e-1 1.9015e+0 4.1609e-1 1.2129e+0 1.6060e+0 5.8178e-1 4.2033e-1 1.2156e-1 7.5066e-1 2.3367e+0 5.8125 MOEA/D-DE MOEA/DVA LMEA 4.9338e-1 1.6633e+0 1.5554e+0 8.2157e-1 4.2447e-1 1.7537e-1 4.8911e-1 2.6267e+0 5.9608e-1 1.8533e+0 1.6620e+0 9.1579e-1 4.3490e-1 2.0103e-1 5.3185e-1 2.6506e+0 6.0626e-1 1.8104e+0 1.6637e+0 9.4218e-1 4.4126e-1 2.0711e-1 5.4254e-1 2.7501e+0 5.6506e-1 1.7842e+0 1.6850e+0 9.1493e-1 4.5025e-1 2.1264e-1 5.7751e-1 2.7799e+0 8.5625 1.1699e+0 1.9698e+0 2.3901e+0 1.0420e+0 8.2484e-1 3.7933e-1 1.9933e+0 3.3817e+0 1.3679e+0 2.0746e+0 2.4751e+0 1.0823e+0 9.5036e-1 4.1971e-1 2.3711e+0 3.5499e+0 1.4011e+0 2.1029e+0 2.4833e+0 1.0962e+0 9.5534e-1 4.2930e-1 2.4557e+0 3.5972e+0 1.4404e+0 2.1319e+0 2.5065e+0 1.1102e+0 9.7775e-1 4.4097e-1 2.5780e+0 3.6356e+0 11.0000 7.5073e-1 1.6498e+0 1.9913e+0 8.0055e-1 5.6683e-1 2.2736e-1 1.5488e+0 3.2100e+0 5.8926e-1 1.4881e+0 1.7723e+0 7.0549e-1 5.0357e-1 1.8076e-1 1.1668e+0 3.0276e+0 6.3298e-1 1.4979e+0 1.8615e+0 7.0554e-1 5.0427e-1 1.9409e-1 1.1352e+0 2.8570e+0 9.4475e-1 1.7309e+0 2.1669e+0 8.1680e-1 6.3210e-1 2.7834e-1 1.5629e+0 3.0393e+0 9.2813 WOF-SMPSO 2.7445e-1 9.4523e-1 7.2635e-1 5.2006e-1 3.7125e-1 8.3967e-2 1.7419e-1 8.1791e-1 2.6890e-1 3.1368e-1 7.0546e-1 8.9249e-2 3.5916e-1 7.9325e-2 9.3594e-2 5.6815e-1 2.5378e-1 4.4390e-1 7.0493e-1 5.2047e-2 3.5629e-1 8.2004e-2 9.3192e-2 5.6434e-1 1.8574e-1 1.7927e-1 7.0202e-1 9.6085e-3 3.4951e-1 2.7805e-2 8.4597e-2 5.3245e-1 4.8125 LSMOF-NSGA-II 5.4056e-2 1.4431e-1 7.1078e-1 6.4901e-3 3.6417e-1 8.2906e-3 2.2770e-1 7.0334e-1 5.1330e-2 1.2903e-1 6.8492e-1 4.8261e-3 3.7463e-1 6.3450e-3 1.7344e-1 7.1543e-1 5.8896e-2 1.3484e-1 6.8275e-1 4.8741e-3 3.6945e-1 6.1533e-3 1.8547e-1 7.1966e-1 1.0086e-1 2.0046e-1 7.0319e-1 1.3846e-2 3.5416e-1 1.8836e-2 1.7858e-1 5.6989e-1 4.1563 IM-MOEA 3.7859e-1 1.2576e+0 2.1896e+0 4.7911e-1 4.2339e-1 1.4209e-1 7.6863e-1 2.6644e+0 4.4007e-1 1.1803e+0 2.3002e+0 6.1920e-1 4.4195e-1 1.6410e-1 8.3552e-1 2.8422e+0 4.3913e-1 1.2829e+0 2.3367e+0 6.2804e-1 4.4841e-1 1.6891e-1 8.2090e-1 2.6160e+0 4.4519e-1 1.3522e+0 2.3627e+0 6.8302e-1 4.5318e-1 1.7937e-1 8.4136e-1 2.7928e+0 8.0313 LMOCSO 4.5991e-1 1.6623e+0 1.6021e+0 8.0353e-1 4.1629e-1 1.5128e-1 5.4583e-1 2.4326e+0 5.3002e-1 1.7608e+0 1.6474e+0 8.5216e-1 4.2999e-1 1.8067e-1 6.2655e-1 2.3489e+0 5.5384e-1 1.8253e+0 1.6860e+0 8.8435e-1 4.3506e-1 1.8522e-1 6.1863e-1 2.3568e+0 5.9038e-1 1.7897e+0 1.7051e+0 9.0018e-1 4.4112e-1 1.9077e-1 6.1830e-1 2.4849e+0 8.0313 SparseEA MOEA/PSL 7.5149e-3 1.8031e-2 1.2013e-2 4.6541e-3 6.7538e-3 8.0869e-3 2.8884e-2 1.5041e-1 1.1723e-2 2.3902e-2 1.1323e-2 4.6319e-3 7.1022e-3 7.0130e-3 4.3760e-2 1.8299e-1 1.5394e-2 4.1015e-2 1.4260e-2 4.6623e-3 7.2164e-3 7.2044e-3 5.2677e-2 1.7740e-1 1.8127e-2 5.5943e-2 1.3926e-2 4.7285e-3 7.0693e-3 7.8950e-3 7.6508e-2 2.0764e-1 1.5625 9.6493e-3 3.7669e-2 1.6880e-2 5.0302e-3 6.0333e-3 8.3891e-3 3.7442e-2 1.6878e-1 1.9205e-2 5.9364e-2 2.2764e-2 5.0911e-3 6.1487e-3 7.6552e-3 6.4013e-2 2.3051e-1 2.5844e-2 7.1310e-2 2.8652e-2 4.9091e-3 5.7937e-3 7.5569e-3 8.2947e-2 2.5142e-1 3.8444e-2 9.8401e-2 4.5589e-2 4.9284e-3 5.7860e-3 8.1920e-3 1.2622e-1 3.2451e-1 2.9375 PM-MOEA 1.0619e-2 2.4476e-2 1.3663e-2 4.1171e-3 5.8328e-3 9.3224e-3 4.2378e-2 1.7536e-1 1.6715e-2 3.6876e-2 2.0308e-2 4.0797e-3 5.2572e-3 5.0900e-3 5.8032e-2 1.7838e-1 2.1628e-2 5.2607e-2 2.4684e-2 4.1184e-3 4.7038e-3 4.9861e-3 7.3822e-2 1.8902e-1 3.4955e-2 8.7136e-2 3.2480e-2 4.0531e-3 4.8330e-3 5.3264e-3 1.1568e-1 2.9041e-1 1.8125