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Table 6 Result of estimation analysis with the anaerobic fermentation pathway model. Total time required for global solution, number of partitions created during the Branch-and-Reduce search, number of nonconvex and convex problems solved, and the value of the objective function for both local and global solution methods.

From: Identification of metabolic system parameters using global optimization methods

 

Time for Global Sol (sec)

No of Partitions

Nonconvex Problems

Convex Problems

Obj fun Value (Global)

Obj fun Value (Local)

100 %

38.13

27

15

27

0.0

1.36 × 10-4

200 %

19.28

9

6

9

0.0

1.34 × 10-4

300 %

56.98

27

15

27

1.61 × 10-7

1.31 × 10-4

400 %

58.39

25

14

25

0.0

1.31 × 10-4

500 %

57.15

25

14

25

3.51 × 10-8

1.25 × 10-4