Hi Steven: Thanks for the reply. Maybe I forgot to mention, the objective function is nonlinear, but the constraint functions are all linear constraints. Thanks.
Best Regards~ Hao ------------------------------------------------------------------------------- Hao Wu Discovery Analytics Center, Virginia Tech Bradley Department of Electrical and Computer Engineering Virginia Tech, Arlington, VA 22203, USA ------------------------------------------------------------------------------- On Sun, Mar 23, 2014 at 9:23 PM, Steven G. Johnson <[email protected]>wrote: > L-BFGS doesn't support nonlinear constraints, as explained in the manual. > > On Mar 22, 2014, at 12:16 PM, Hao Wu wrote: > > I am using the NLOPT to solve a non-linear optimization problem with > L-BFGS > > algorithm in C++. When I did not add any constraint to the optimizer, > everything > > works well. However, when I try to add some vector-valued constraints, > the optimizer > > fails and throw out the std::invalid_argument exception. Here is the > output of > > the program: >
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