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I am sure there must be something already on here about this kind of thing so if you could point me in that direction that is fine, or to a site anywhere.

Basically I have three columns of data, lets say Column A, Column B and Column C. Column A is dependant upon both Columns B & C (directly proportional to Column B and inversely proportional to Column C). What I would like to be able to do is to find the optimum values for Columns B & C such that Column A is maximised.

Thanks in advance!

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# Optimising 2 variable s to maximise a third

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