[Ipopt] Linear versus nonlinear constraints in IPOPT

Martijn Disse M.W.Disse at student.tudelft.nl
Sat Nov 17 09:08:35 EST 2012

Dear all,

I would like to pose a very simple question regarding the use of constraints in the IPOPT solver:
Are linear constraints preferred over nonlinear constraints?

I know that in a general sense linear constraints are preferred so one could resort to solver algorithms that make use of the linearity of the constraint. I do not know enough detail about the IPOPT algorithm to answer the question.

Thank you for you answer in advance!


-Martijn Disse
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