Enroll Course: https://www.coursera.org/learn/lisan-youhua-jianmo-jichupian

In today’s complex world, making optimal decisions is crucial for success, whether it’s optimizing flight crew schedules, managing steel production, or even planning wedding seating arrangements. Many real-world problems, from delivery routes to energy distribution, fall under the umbrella of discrete optimization. While these problems are ubiquitous, tackling them with traditional undergraduate knowledge can be incredibly challenging.

This is where Coursera’s “Basic Modeling for Discrete Optimization” course comes in. This course offers a groundbreaking approach to solving these intricate problems. The core philosophy is simple yet powerful: clearly articulate the problem using an advanced modeling language, and let sophisticated constraint solvers handle the heavy lifting. This method leverages industry-standard technologies that have been refined over decades by leading researchers, making previously insurmountable problems surprisingly manageable.

The syllabus is structured to build your expertise progressively:

* **Introduction to MiniZinc:** You’ll begin by diving into MiniZinc, a high-level modeling language specifically designed for discrete optimization. By combining the elegance of MiniZinc with the power of open-source solvers, you’ll learn to effortlessly model and solve problems like the knapsack problem, coloring problems, production planning, and the set covering problem. The learning objectives here are to build a basic MiniZinc model and understand existing simple models.

* **Set Modeling:** This unit focuses on modeling set selection problems. You’ll explore various ways to represent set variables, whether they have no cardinality constraints, fixed cardinalities, or bounded cardinalities. Crucially, you’ll learn to ensure that all model decisions are valid and that each valid decision corresponds to a model decision. The goals are to build MiniZinc models for set selection and choose the most suitable representation for sets.

* **Function Modeling:** Here, you’ll tackle pure assignment and partitioning problems, which are essentially function modeling problems. These concepts are directly applicable to tasks like duty roster scheduling or constraint clustering. You’ll discover the power of common subexpression elimination and intermediate variables, and get your first introduction to global cardinality constraints. MiniZinc also offers constraints to eliminate value symmetry. The objectives include creating MiniZinc models for function determination, analyzing problems for assignment substructures, building basic duty roster models, and identifying the need for set partitioning.

* **Multiple Modeling:** The final unit explores how discrete optimization problems can be approached from multiple perspectives, leading to entirely different yet equally valid models. Each viewpoint has its strengths and weaknesses, and often, combining different modeling perspectives can lead to more robust solutions. You will learn to create MiniZinc models with decision variables from two different perspectives and decide which perspective, or combination, is best suited for a given problem.

**Recommendation:**

If you’re looking to gain practical skills in solving complex decision-making problems, this course is an excellent starting point. It demystifies the world of discrete optimization, providing you with a powerful toolkit and a new way of thinking about problem-solving. The hands-on approach with MiniZinc ensures you’re not just learning theory but acquiring immediately applicable skills. Highly recommended for students, data scientists, operations researchers, and anyone interested in making smarter, data-driven decisions.

Enroll Course: https://www.coursera.org/learn/lisan-youhua-jianmo-jichupian