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Table 1 The five level three factor experimental design of the training and validation set mixtures shown as concentrations of the mixture components in μg mL -1

From: Application of smart spectrophotometric methods and artificial neural network for the simultaneous quantitation of olmesartan medoxamil, amlodipine besylate and hydrochlorothiazide in their combined pharmaceutical dosage form

Mix No.

OLM

AML

HCT

Mix No.

OLM

AML

HCT

1

20

5

12.5

14

20

7

15

2

20

3

10

15

25

7

10

3

15

3

15

16

25

3

13.75

4

15

7

11.25

17

15

6

10

5

25

4

15

18

22.5

3

12.5

6

17.5

7

12.5

19

15

5

13.75

7

25

5

11.25

20

20

6

13.75

8

20

4

11.25

21

22.5

6

11.25

9

17.5

4

13.75

22

22.5

4

10

10

17.5

6

15

23

17.5

3

11.25

11

22.5

7

13.75

24

15

4

12.5

12

25

6

12.5

25

17.5

5

10

13

22.5

5

15