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My objective function has 350 variables with non linear constraints. ga and patternsearch are ineffective using default settings. What can i do?

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Nayan Rawat
Nayan Rawat on 25 Jun 2019
Commented: Nayan Rawat on 8 Jul 2019
I tried fmincon, ga and patternsearch but cant get feasible solution. Please help

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Walter Roberson
Walter Roberson on 25 Jun 2019
If you look at the list on the Wikipedia page, you will see that several of the packages implement a number of different kinds of nonlinear optimization.
Walter Roberson
Walter Roberson on 26 Jun 2019
Some of the projects in that list are open source.
Several people have asked questions about using CPLEX. CPLEX is not open source, but it is free for academic use. (I am not academic so I am not eligible to use it that way.)
Some people have asked in the past about using TOMCAT. I gather that for some of the algorithms, TOMCAT is significantly faster than MATLAB is. It is not open source, though.
I am not familiar with the other ones at all.

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