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This shows the objective function I have tried. It is showing like cannot extract the expression.

enter image description here

The Dreams Wind
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haripriya
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1 Answers1

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We can take the logarithm of the objective:

max a*exp(b-c*x)

gives the same solution as:

max ln(a)+b-x*c

a,b,c are constants here, so this is now a linear objective. Of course, that means DOD is 0.3 or 0.7. So you could do this with a calculator.

Erwin Kalvelagen
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  • And if the model is not trivial you may use Constraint Programming within CPLEX as in the example at https://stackoverflow.com/questions/64375290/does-cplex-support-using-of-ln-or-exponential-function-for-a-decision-variable – Alex Fleischer Mar 07 '23 at 08:36