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fix: fraction_of_optimum of pfba_enzymes for a negative or minimised objective - #81

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edkerk merged 1 commit into
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fix/pfba-negative-objective
Nov 2, 2026
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edkerk merged 1 commit into
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fix/pfba-negative-objective

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@edkerk edkerk commented Nov 2, 2026

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pfba_enzymes with fraction_of_optimum below 1 lets the objective fall (or, for a minimised objective, rise) from its optimum by 1 - fraction_of_optimum * 0.999999 times the magnitude of the optimum, as getPfbaEnzymes in GECKO does. A negative optimum and a minimised objective raised Infeasible. CHANGELOG.md has an entry.

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edkerk merged commit 6d816c4 into develop Nov 2, 2026
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edkerk deleted the fix/pfba-negative-objective branch November 2, 2026 10:48
@edkerk edkerk mentioned this pull request Nov 2, 2026
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