Metabolic Flux Analysis can estimate the different unmeasured metabolites from the measured ones, even with the experimental data with a normal distribution. By the way, if we have a overdeterminated system, we need a different kind of inverse to solve it. The Moore–Penrose pseudoinverse seems pretty good, but we cant prove if the pseudoinverse really exist most of the times, so this code have a Tikhonov Regularization, useful in several cases when the regular pseudoinverse doesnt exist.
New version with excel import/export.
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