The NEOS Server offers Couenne for the solution of
mixed integer nonlinearly constrained optimization problems (MINLPs) in
Couenne solves MINLPs using a reformulation based branch-and-bound algorithm
for a globally optimum solution.
Additional details and options are available in the
user manual for Couenne.
Couenne is developed and maintained by Pietro Belotti and others. Visit the
Couenne page at COIN-OR
for more details.
Using the NEOS Server for Couenne
The user must submit a model in
format to solve a nonlinearly constrained optimization problem.
Examples of models in AMPL format can be found in the
The model is specified by a model file, and optionally,
a data file and a commands file.
If the command file is specified it must contain
the AMPL solve command.
The commands file can contain any AMPL command.
Printing directed to standard out is returned
to the user with the output.