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7/31/2019 1999 - Evolutionary Algorithms for Multi Criterion Optimization in Engineering Design - Deb
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f2
f1
w
w2
1B
C
A
decrea
singF
f2
f1
w
w2
1
decrea
singF
A
B
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0
2000
4000
6000
8000
10000
0 2000 4000 6000 8000 10000
f_2
f_1
0
1
2
3
4
5
6
7
8
9
0 1 2 3 4 5 6 7 8 9
f_2
f_1
0
0.5
1
1.5
2
2.5
3
3.5
4
0 0.5 1 1.5 2 2.5 3 3.5 4
f_2
f_1
0
0.5
1
1.5
2
2.5
3
3.5
4
0 0.5 1 1.5 2 2.5 3 3.5 4
f_2
f_1
7/31/2019 1999 - Evolutionary Algorithms for Multi Criterion Optimization in Engineering Design - Deb
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x2
x1
-20
-15
-10
-5
0
5
10
15
20
-20 - 15 - 10 -5 0 5 10 15 20
-20
-15
-10
-5
0
5
10
15
20
-20 - 15 - 10 -5 0 5 10 15 20
x2
x1
-20
-15
-10
-5
0
5
10
15
20
-20 - 15 - 10 -5 0 5 10 15 20
x2
x1
-20
-15
-10
-5
0
5
10
15
20
-20 - 15 - 10 -5 0 5 10 15 20
x2
x1
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-2
0
2
4
6
8
10
12
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
f_2
f_1
Pareto-optimal frontRandom solutions
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1
0 0.2 0.4 0.6 0.8 1
f_2
f_1
Pareto-optimal frontNSGA
b
t
hl
F
7/31/2019 1999 - Evolutionary Algorithms for Multi Criterion Optimization in Engineering Design - Deb
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0
0.005
0.01
0.015
0.02
0.025
0.03
0.035
0.04
0.045
0.05
0 5 10 15 20 25 30 35 40 45 50
Deflection
Cost
0
0.001
0.002
0.003
0.004
0.005
0.006
0.007
0.008
0.009
0.01
0 5 10 15 20 25 30 35 40 45 50
Deflection
Cost
t=0t=5
t=20t=50
0
0.001
0.002
0.003
0.004
0.005
0.006
0.007
0.008
0.009
0.01
0 5 10 15 20 25 30 35 40 45 50
Deflection
Cost
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