Sense of optimizing criteria

(−, −)

(−, +)

(+, −)

(+, +)

Statistical parameters

Min

Avg

Max

Min

Avg

Max

Min

Avg

Max

Min

Avg

Max

CPU time (second)

0.26

1.21

5.69

46.3

151

185

153

165

175

5.23

113

157

Size of “best” paths

4

4

4

32

33

35

26

32

36

7

8

8

Error Ratio (ER)

0

0

0

0

0.02

0.09

0

0.15

0.61

0

0

0

Generational Distance (GD)

0

0

0

0

24.9

106

0

75.1

211

0

0

0

Percentage of paths found (%)

0.02

0.05

0.15

0.79

1.31

1.48

1.35

1.5

1.62

0.18

1.01

1.35

Generation

5

30

149

586

1792

2000

1792

1979

2000

85

1505

2000