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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