Benders’ Decomposition 101: How to Crack Open a Stochastic Program That’s Too Big to Swallow Whole
The article discusses Benders' decomposition as a solution for large stochastic optimization problems. It explains how the deterministic equivalent of a two-stage recourse model can become unmanageable as the number of scenarios increases. The author outlines the mathematical foundations and practical applications of this decomposition method in various fields.
- ▪Benders' decomposition is used to simplify stochastic optimization problems by separating fixed and variable components.
- ▪As the number of scenarios in a two-stage recourse model increases, the size of the deterministic equivalent can grow exponentially, leading to computational challenges.
- ▪The article provides a detailed explanation of the algorithm and its mathematical underpinnings, making it accessible for practitioners.
Opening excerpt (first ~120 words) tap to expand
Mathematics Benders’ Decomposition 101: How to Crack Open a Stochastic Program That’s Too Big to Swallow Whole Whenever you can rewrite a (stochastic) optimization problem so that fixing some variables makes the rest separable, you could try Benders.<br> Berend Markhorst May 21, 2026 18 min read Share Source: Jon Tyson on Unsplash. In my first TDS post, I wrote about translating a real-world problem into an integer linear program. In my second, I made that program robust against uncertainty. In my third, I introduced stochastic programming: four principled ways to put uncertainty into the model rather than hand-waving it away. The third post ended with a promise.
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Excerpt limited to ~120 words for fair-use compliance. The full article is at Towards Data Science.