Manual for research work on the library ILOOG CPLEX 11 . 2" is an indispensable resource for students, graduate students and professionals engaged in optimization and mathematical modeling. This work, created by a team of authors, offers a deep immersion into the world of one of the most powerful libraries for solving linear programming and optimization problems - ILOG CPLEX. From the first pages, the reader finds himself at the center of a fascinating and complex world of mathematical optimization. The book covers all key aspects of working with the library, ranging from installing and configuring software to more complex topics, such as developing and implementing algorithms to solve real-world problems. The authors share not only theoretical knowledge, but also practical examples, which makes the material accessible and understandable even for those who are just starting their way in this field. This book will be of particular interest to undergraduate and graduate students studying mathematics, computer science, economics, and related disciplines. It can also attract the attention of professionals working in the field of operational research, logistics and project management. If you are looking for a practical guide to help you understand complex algorithms and optimization techniques, then the “Guide for research work on the library ILOG CPLEX 11. 2" will be your faithful assistant. Topics raised in the book range from basic linear programming to complex methods of solving multidimensional problems. The authors focus on the importance of mathematical modeling in the modern world, where the efficiency and optimization of processes are becoming key success factors. The reader will be able to learn about different approaches to solving problems, such as branch and boundary methods, greedy algorithms, and dynamic programming. Each chapter of the book is permeated with practical examples, which allows you to better absorb the material and apply it in practice. The style of the authors is distinguished by clarity and accessibility of presentation, which makes the book not only a textbook, but also an exciting reading. They use a variety of illustrations and graphs to help visualize complex concepts and facilitate understanding. In addition, the book provides tips and tricks for optimizing work with CPLEX, which can be useful for both beginners and experienced users. If you are already familiar with other works in the field of optimization, such as