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Figure 6 | Microbial Cell Factories

Figure 6

From: OpenFLUX: efficient modelling software for 13C-based metabolic flux analysis

Figure 6

Coordinate systems used to describe bi-directional reactions. The schematics under the matrix equations shows how the two coordinate systems, [vxch, vnet] and [v, v→, net], are mapped to [v, v ]. The former requires a conditional operator, which cannot be implemented using the null-space matrix. The prerequisite for the compactification transformation is that the black and grey arrows are overlapping.

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