TABLE III Mean of the approximation solutions obtained by the compared algorithms on five-tasking optimization problems. PERFORMANCE MTO PROBLEM MaT1 MaT2 MaT3 MAT4 MaT5 MaT6 MaT7 MaT8 MaT9 MaT10 TASK T1 T2 T3 T4 T5 T1 T2 T3 T4 T5 T1 T2 T3 T4 T5 T1 T2 T3 T4 T5 T1 T2 T3 T4 T5 T1 T2 T3 T4 T5 T1 T2 T3 T4 T5 T1 T2 T3 T4 T5 T1 T2 T3 T4 T5 T1 T2 T3 T4 T5 MFEA-GSMT VS. OTHER //. SOEA 8.60E+01+ 8.24E+01+ 9.07E+01+ 7.96E+01+ 8.98E+01+ 8.28E+04+ 1.29E+05+ 1.04E+05+ 9.79E+04+ 9.27E+04+ 4.20E+02+ 4.16E+02+ 4.15E+02+ 4.12E+02+ 4.28E+02+ 8.69E+01+ 6.11E+04+ 6.68E+00+ 8.91E+01+ 1.40E+05+ 4.33E+02 - 9.15E-01+ 3.88E+01+ 4.41E+02 - 8.97E-01+ 5.72E+04+ 9.20E-01+ 7.29E+03+ 8.13E+04+ 9.03E-01+ 5.99E+00+ 4.27E+02 - 3.84E+01+ 5.18E+00+ 4.44E+02 - 1.49E+05+ 1.07E+01 . 4.36E+02 - 9.38E-01+ 3.95E+01 . 8.98E+04+ 1.13E+01+ 4.28E+02 - 9.12E-01+ 4.03E+01 - 8.96E+00+ 4.25E+02 - 9.27E-01+ 4.01E+01 - 5.53E+03. MFEA-GS VS. MFEA MFEA-KLD VS. MFEA MFEA-GS VS. MFEA-KLD +- 37/3/10 BETTER 45 24 33 MFEA 1.29E+01+ 1.21E+01+ 1.38E+01+ 1.35E+01+ 1.34E+01+ 4.48E+04+ 1.94E+04+ 2.87E+04+ 3.34E+04+ 2.28E+04+ 5.92E+02+ 6.13E+02+ 5.53E+02+ 5.82E+02+ 6.46E+02+ 1.58E+01+ 5.49E+04+ 5.13E+00+ 1.62E+01+ 4.44E+04+ 5.98E+02+ 5.35E-01+ 4.44E+01+ 6.29E+02+ 5.28E-01+ 1.41E+04+ 5.57E-01+ 7.76E+03 . 2.54E+04+ 5.31E-01+ 5.55E+00+ 6.49E+02+ 4.72E+01+ 5.89E+00+ 6.57E+02+ 2.98E+04+ 2.02E+01+ 6.85E+02+ 5.48E-01 . 5.29E+01+ 1.57E+04+ 2.02E+01+ 6.82E+02+ 5.65E-01+ 5.31E+01+ 2.01E+01+ 6.15E+02 . 5.41E-01 . 5.33E+01+ 6.53E+03 . 45/5/0 SIMILAR TO 5 26 12 MFEA-GHS 2.60E+00+ 2.88E+00+ 2.64E+01+ 2.74E+01+ 2.66E+01+ 7.96E+02+ 8.29E+02+ 4.43E+04+ 3.64E+04+ 4.18E+04+ 5.05E+02+ 4.75E+02+ 7.71E+02+ 7.43E+02+ 6.72E+02+ 4.72E+00 - 6.52E+03+ 2.01E+01+ 2.74E+01+ 8.15E+04+ 7.03E+02+ 3.48E-01 - 5.85E+01+ 7.45E+02+ 6.75E-01+ 2.14E+03+ 3.39E-01 . 7.81E+03 . 4.93E+04+ 6.83E-01+ 6.78E+00+ 7.10E+02+ 5.61E+01+ 1.94E+01+ 8.07E+02+ 1.85E+04+ 1.99E+01+ 7.61E+02+ 6.88E-01+ 5.91E+01+ 3.87E+03 . 1.98E+01+ 7.53E+02+ 6.52E-01+ 5.86E+01+ 1.98E+01+ 6.96E+02 . 6.59E-01+ 5.89E+01+ 6.48E+03 . 44/4/2 WORSE 5 MFEA-KLD 1.15E+01+ 1.02E+01+ 1.10E+01+ 1.28E+01+ 1.22E+01+ 1.54E+04+ 9.73E+03+ 1.73E+04+ 1.22E+04+ 1.24E+04+ 4.16E+02+ 4.38E+02+ 4.08E+02+ 4.14E+02+ 4.29E+02+ 1.47E+01+ 3.45E+04+ 4.47E+00 . 1.45E+01+ 2.07E+04+ 4.64E+02 . 5.00E-01+ 4.47E+01+ 4.51E+02 . 5.20E-01+ 2.04E+04+ 5.23E-01+ 7.02E+03 - 9.31E+04+ 5.18E-01+ 4.56E+00+ 4.73E+02 - 4.45E+01+ 4.56E+00+ 4.80E+02 . 2.95E+04+ 9.89E+00 . 4.66E+02 - 5.21E-01 . 4.57E+01+ 1.95E+04+ 4.80E+00 . 4.72E+02 - 5.34E-01 . 4.49E+01 . 5.46E+00 . 4.83E+02 - 5.19E-01 . 4.72E+01 . 5.86E+03 . 31/5/14 MFEA-GS 1.33E+00 - 1.15E+00 . 1.37E+00 - 1.31E+00 . 1.37E+00 . 2.02E+02 . 4.04E+02 . 3.07E+02 . 2.59E+02 - 3.34E+02 . 2.99E+02 - 2.89E+02 - 2.73E+02 . 2.87E+02 - 3.11E+02 . 6.67E+00 . 1.40E+03 . 4.22E+00 . 6.61E+00 . 1.03E+03 . 4.89E+02 . 3.95E-01 . 2.61E+01 . 5.12E+02 . 4.22E-01 . 7.81E+02 . 3.58E-01 . 7.65E+03 . 1.69E+03 . 3.61E-01 . 4.42E+00 . 5.30E+02 . 3.05E+01 . 4.09E+00 . 5.07E+02 . 2.87E+03 . 6.80E+00 . 6.08E+02 . 5.49E-01 . 4.07E+01 . 2.60E+03 . 4.51E+00 . 5.42E+02 . 4.83E-01 . 4.29E+01 . 4.30E+00 - 5.92E+02 . 5.48E-01 . 4.42E+01 . 6.54E+03 . 0/43/7 MFEA-GSMT 1.53E+00 1.32E+00 1.66E+00 1.41E+00 1.46E+00 2.14E+02 4.37E+02 3.14E+02 3.56E+02 3.73E+02 3.46E+02 3.57E+02 2.77E+02 3.20E+02 3.29E+02 7.03E+00 1.32E+03 4.30E+00 6.40E+00 1.96E+03 5.03E+02 4.27E-01 2.70E+01 4.98E+02 4.15E-01 9.96E+02 3.51E-01 7.86E+03 1.22E+03 3.28E-01 4.09E+00 5.60E+02 3.12E+01 4.06E+00 4.88E+02 2.54E+03 9.21E+00 5.63E+02 5.56E-01 4.16E+01 3.02E+03 5.14E+00 5.58E+02 4.76E-01 4.43E+01 7.50E+00 5.95E+02 5.48E-01 4.47E+01 6.09E+03 NOVEMBER 2021 | IEEE COMPUTATIONAL INTELLIGENCE MAGAZINE 51