University of Liege | Version française
Study programmes 2010-2011Last update : 11/04/2011
MATH0461-1  Introduction to numerical optimization
Duration :  30h Th, 30h Pr
Credits/ECTS :  
Master in Electrical Engineering, in-depth approach, 1st yearSecond semester5
Master in Electro-mechanical Engineering, Teaching Focus, 2nd yearSecond semester5
Master in Computer Engineering, in-depth approach, 1st yearSecond semester5
Master in Computer science, Research Focus, 2nd yearSecond semester6
Master in Mechanical Engineering, in-depth approach, 1st yearToute l'année5
Master in Engineering Physics, in-depth approach, 1st yearSecond semester5
Master in Engineering Physics, in-depth approach, 2nd yearSecond semester5
Master en ingénieur civil électricien, à finalité spécialisée en technologies durables en automobile, 1st yearSecond semester5
Master in Electrical Engineering, specialized approach, 1st yearSecond semester5
Master in Computer Engineering, specialized approach, 1st yearSecond semester5
Master ingénieur civil mécanicien, à finalité spécialisée en technologies durables en automobiles, 1st yearToute l'année5
Master in Mechanical Engineering, specialized approach, 1st yearToute l'année5
Master in Engineering Physics, specialized approach, 1st yearSecond semester5
Master in Engineering Physics, specialized approach, 2nd yearSecond semester5
Master in Computer scienceToute l'année6
Master in Mathematical Sciences, professional focus in computer science, 2nd yearToute l'année6
Holder(s) :  Quentin Louveaux
Language :  English language
Course contents :  In a large number of engineering problems, many decisions can be undertaken leading to different solutions, some of them being more interesting than others. A way to decide on the best decision is to come up with a mathematical model in which all decisions are variables and the choice is made by considering a function of the values of all variables.

This formalism modeling many real-life problems is called mathematical programming. In a mathematical program, we define a set of decision variables, constraints linking the variables and defining what is a feasible solution and finally an objective function to optimize. Depending on the properties of all the considered functions, the obtained optimization problem can be more or less difficult to solve. In this course we consider mostly problems where all the involved functions are linear leading to so-called linear programs. We will first focus on modeling as many problems as possible as linear programs. We will also study the different existing techniques to solve such linear programs as well as analyzing the nice properties of these problems. The second part of the course is devoted to nonlinear problems and in particular to conic problems that keep the nice properties of linear programs.

This course is given in English. The textbook is however in French.
Course objective :  The following concepts are studied in the course:
- Modeling by means of a linear program
- Convexity and geometry of linear programs
- The Simplex Algorithm
- Duality for linear programming
- Post-optimal analysis and the Dual Simplex Algorithm
- Introduction to interior point methods
- Optimality conditions for nonlinear programs
- Conic programming and duality
- Introduction to integer programming
Prerequisites :  Basic course in linear algebra
Workshops :  Traditional tutorials are organized for roughly 20 hours.
A larger project consisting in modeling and solving a real-world problem using a linear programming package is also organized.
Written notes :  D. Bertsimas, J. Tsistsiklis. Introduction to linear optimization, Dynamic Ideas, 1997.
Assessment :  The exam consists only of exercises. Every material is allowed for consulting during the exam. The exam counts for 75% of the final grade. The modeling project counts for 25%.
Remarks :  The course is taught in English.


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