Table 13 Distance matrix and delivery requirements of 8-customer problem 71.

From: Enhancing engineering optimization using hybrid sine cosine algorithm with Roulette wheel selection and opposition-based learning

Node

0

1

2

3

4

5

6

7

8

Demand

0

0

4

6

7.5

9

20

10

16

8

 

1

4

0

6.5

4

10

5

7.5

11

10

1

2

6

6.5

0

7.5

10

10

7.5

7.5

7.5

2

3

7.5

4

7.5

0

10

5

9

9

15

1

4

9

10

10

10

0

10

7.5

7.5

10

2

5

20

5

10

5

10

0

7

9

7.5

1

6

10

7.5

7.5

9

7.5

7

0

7

10

4

7

16

11

7.5

6

7.5

9

7

0

10

2

8

8

10

7.5

15

10

7.5

10

10

0

2

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