Open solver

A tip of a great tool.

Open solver is an Excel addin. It is very similar to the MS solver. The difference is that the default solver has a limit of around 5000 variables. Above this, the user has to purchase the Frontline solver (the name of the company).

Page: https://opensolver.org

To use opensolver, just download, unpack and add it to the Excel supplements.

A good evolution of openSolver is solverStudio, from the same developer. It allows a formulation of the problem using formulas, supports more optimization languages and is faster. But it is also a bit more complex to deal with.

Solver studio https://solverstudio.org

Both of these tools are able to use any solver. The package comes with CBC, the great open source solver from COIN-OR. https://www.coin-or.org/

Frontline solver:

https://www.solver.com/

Ideias técnicas com uma pitada de filosofia

https://ideiasesquecidas.com/

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