Sometimes we need more power to solve a model. This article describes how to solve a model using the CPLEX solver via the NEOS Server.
This series explores optimization of a "picking warehouse" by improving the warehouse design and efficiency of the picking process.
Designing an optimization model is difficult. This article explains common mathematical notation used to define optimization model formulations.
Formulating logic conditions in linear programs can be difficult. This two-part article series explains how, using easy to follow steps.
We replicate a wood cutting pattern model from a published academic paper. Surprisingly, we find a better optimal solution.
Crossword puzzles are a popular pastime. We design and build Mixed Integer Linear Programming models to compile crossword puzzles.
We describe an example of how to represent price breaks in a linear programming model, built in Excel using Solver or OpenSolver.
Why does my model find different solutions? Some solutions are better than others – how can that be true? How do I find the overall best solution?