- Server host: neos.mcs.anl.gov
- Server port: 3332
- Solver: Mixed integer nonlinearly constrained optimization => AlphaECP:GAMS
GAMS Versus AMPL: it looks like a free solver is available as well, called MathProg. The syntax of AMPL is more natural/easier to read, it more closely resembles the algebraic formulations. After reading the first couple of chapters from the "AMPL: A Modeling Language for Mathematical Programming" book by Robert Fourer, David M. Gay and Brian W. Kernighan. Since the GAMS model seems to be pretty easy to understand, I see no problem in translating it to AMPL. I have to admit before stumbling upon these solvers while doing my thesis research, I had no idea about the existence of them ... but now I see the power of these solvers for optimization problems.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhK7aB1cEskaY3iKxPQs9lCs7L7maBlUZWV5SJtnYajKUofxtt7MwISywMTUk5JAnjzAO3HManNOqTlqpS0Iauv-LgB-GYywF4R7cn8KngBpG8D1vZU6RFOx7Dmc34fE4vT1PivuJBJMn8/s400/neosSubmissionTool.jpg)
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