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Ipopt/Knitro are local optimization solvers, so for nonconvex problems convergence doesn't guarantee optimality. However, Knitro has a multi-start method where one can start with more random initial solutions with the hope of terminating at a better solution than a single run. I am wondering, is there an equivalent ms_maxsolves option in Ipopt? I failed finding a suitable option in Ipopt in my research.

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As @mark-l-stone says, Ipopt does not have a multi-start option. Just solve your model with different starting points manually.

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