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Table 7 Lower bounds and upper bounds for some optimization cases

From: Application of multi-gene genetic programming technique for modeling and optimization of phycoremediation of Cr(VI) from wastewater

Cases

Bounds

x1

x2

x3

x4

Case 1 (IC: 5 mg/L)

LB

7

2

5

2

 

UB

11

10

5

14

Case 2 (IC: 10 mg/L)

LB

7

2

10

2

 

UB

11

10

10

14

Case 3 (IC: 15 mg/L)

LB

7

2

15

2

 

UB

11

10

15

14

Case 4 (IC: 20 mg/L)

LB

7

2

20

2

 

UB

11

10

20

14

Case 5 (IC: 25 mg/L)

LB

7

2

25

2

 

UB

11

10

25

14

Case 6 (IC: 30 mg/L)

LB

7

2

30

2

 

UB

11

10

30

14

Case 7 (IC: 5–30 mg/L)

LB

7

2

5

2

 

UB

11

10

30

14