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model.a, model.x1 and model.x2 are three variables, f and g are two function. I try to formulate like this to make code concise, but get errors

Xi Duan
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1 Answers1

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This book may be a useful reference as background for mathematical programming: https://www.wiley.com/en-us/Model+Building+in+Mathematical+Programming%2C+5th+Edition-p-9781118443330

As for the question, simply a >= f(x1) and a >= g(x2) should suffice in this case.

Qi Chen
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