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When I solve the model, it happen "Error 10020: Objective Q not PSD" in the end.

The gurobi website said, to resolve this issue, set the NonConvex parameter to 2.

I type "model.set(GRB_IntParam_NonConvex, 2);", but it said "GRB_IntParam_NonConvex" undefined.

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Assume that you define your model as m. Try the following where I used the parameter's name to set the value:

m->set("NonConvex", "2.0")
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    $\begingroup$ I'll try it, Thanks! $\endgroup$
    – Routine Ma
    Commented May 29, 2022 at 6:40

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