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AMPL, KNITRO, CPLEX, and SNOPT
AMPL/KNITRO is a large, sparse, linear and nonlinear programming solver and a general purpose solver for nonlinear optimization. It is designed to handle large problems and is effective for solving linear, quadratic, and nonlinear smooth optimization problems, both convex and nonconvex. SNOPT is highly effective for problems with a nonlinear objective function and large numbers of sparse linear constraints.
To run this software interactively in a Linux environment run the commands:
module load ampl
knitro myexample alg=2 maxcrossit=2 outlev=1
When you are done with AMPL stop the ampl_lic license manager using the command: