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Mathematical Methods (4th IIND, year 2009-10)

News:

Simulation cases due date March 23th for preliminary study and April 11 for final study. Simulation case report.

Presentation of optimization practical cases will begin on December 11 and end on December 18. The same practical cases will be presented in the same session. You can use this presentation as a template.

Optimization cases due date November 10th. Optimization case report. Larger cases can be run at NEOS Server for Optimization.


Operations Research (the science of better):
Discipline that applies advanced analytical methods to take decisions to improve operations of a company.

, Learn About O.R., The Executive Guide to Operational Research, Operational Research and EURO

Life itself is a matter of OR

The current table reflects in a realistic way the course development during the several sessions. It allows the student to know in advance what is going to happen in each session in order to prepare the subject and to organize its work adequately.


Date
 
Theory
 
Readings
 
Problems
 
Practice

Oct 1, 09

  Extract of the syllabus. Additional bibliography.
Hand out of class notes and web page for slides.
Survey (motivation, expectations, difficulty, etc.)
 

J.R. Alonso Una Universidad nueva El País 12/01/2009

FAQs About O.R. & Analytics

Yukio Hatoyama, Prime Minister designate for Japan, has a Ph.D. from Stanford in O.R.

     

Oct 1, 09
 

LECTURE NOTES about Optimization mathematical modeling.

INTRODUCTION TO OPTIMIZATION AND MODELING. OR definition. Historical introduction.
Optimization definition. Classification of optimization methods.

 

Operations Research Time Line

Energy Systems Modeling (SADSE)

John Toczek The PuzzlOR

A. Ramos Some IIT Operations Research Models for Electricity Markets XIV Latin Ibero-American Congress on Operations Research (CLAIO 2008) Cartagena de Indias, Colombia September 2008 (Presentation) Sesión semiplenaria

M. Alvar, A. Arranz, A. Ramos, A. Sánchez, J. Villar Parking place demand and offer assignment IIT-09-019A

A. Ramos, M.T. Peña, A. Fernández, P. Cucala Mathematical programming approach to underground timetabling problem for maximizing time synchronization Revista de Dirección, Organización y Administración de Empresas CEPADE 35: 88-95 Junio 2008

S. Cerisola, A. Baillo, J.M. Fernandez-Lopez, A. Ramos, R. Gollmer Stochastic Power Generation Unit Commitment in Electricity Markets: A Novel Formulation and A Comparison of Solution Methods Operations Research 57 (1): 32-46 Jan-Feb 2009

P. Sánchez-Martín, A. Ramos, J.F. Alonso Probabilistic mid-term transmission planning in a liberalized market IEEE Transactions on Power Systems 20 (4): 2135-2142 Nov 2005

ROADEF/EURO Challenge 2010: A large-scale energy management problem with varied constraints

J.K. Delson and S.M. Shahidehpour Linear Programming Applications to Power System Economics, Planning and Operations IEEE Transactions on Power Systems (7) 3: 1155-1163 Aug 1992

J. Board, Ch. Sutcliffe and W.T. Ziemba Applying Operations Research Techniques to Financial Markets Interfaces Vol 33. No. 2 pp. 12-24 Mar-Apr 2003

C. Barnhart, P. Belobaba, A.R. Odoni Applications of Operations Research in the Air Transport Industry Transportation Science Vol 37. No. 4 pp. 368-391 Nov 2003

H.E. Romeijn et al. A New Linear Programming Approach to Radiation Therapy Treatment Planning Problems Operations Research (54) 2: 201-216 Mar-Apr 2006

       

Oct 2, 09
 

Model and modeling. Steps in developing a model.

  Th.A. Grossman The Spreadsheet Analytic Value Chain OR/MS Today Aug 2006   Diet problem. Appliance transportation.    

Oct 2, 09
  MODELING WITH LINEAR PROGRAMMING. Transportation problem. Transhipment problem. Task assignment problem.            

Oct 9, 09
        Work order scheduling.
Modeling Poblems # 1
   

Oct 9, 09
        Production of three products. Charter Flights. Muffins.
 

Oct 9, 09
          Paper roll cut.
   

Oct 15, 09
  Thursday is Monday          

Oct 15, 09
  Thursday is Monday          

Oct 16, 09
  MODELING WITH INTEGER LINEAR PROGRAMMING. Knapsack problem. Set covering problem. Packing problem. Partition problem. Travelling salesman problem (TSP).         TSP Art

Oct 16, 09
  Fixed cost problem.       Thermal unit commitment.    

Oct 22, 09
  Disjunctive constraints. Satisfy k of N equations. Selection among N values. Simple implications. Equivalences among logical propositions. Complex logical propositions.          

Oct 22, 09
          Selecting a basketball team.    

Oct 23, 09
          Job shop.    

Oct 23, 09
          Production of three products.    

Oct 23, 09
         
 

GAMS Development; Optimization: Energy Systems Modeling (SADSE); OR/MS-today Advertisement, August 2009

Team Formation.

Algebraic modeling languages.
Transportation problem: mathematical formulation and writing in GAMS.

Team formation.
Assignment of optimization practices with GAMS.

GOOD OPTIMIZATION MODELING PRACTICES with GAMS (All You Wanted to Know About Practical Optimization but Were Afraid to Ask) June 2022

GOOD OPTIMIZATION MODELING PRACTICES with Pyomo (All You Wanted to Know About Practical Optimization but Were Afraid to Ask) June 2022


Oct 29, 09
         

Sequencing five tasks.

 

Oct 29, 09
         
 

Practical session with GAMS.


Oct 30, 09
             

Execution and analysis of the results.

NEOS Server for Optimization


Oct 30, 09
          Car renting. Swimming pools. Connecting two pipelines.  

Optimization cases


Nov 5, 09
 

LECTURE NOTES about Linear Optimization.

LINEAR PROGRAMMING.

  Mathematical Programming Glossary      

Nov 5, 09
  Hypothesis. Geometry. Properties. Simplex algorithm. Graphical solution. Standard form.            

Nov 6, 09
  Algebraic solution.  

George B. Dantzig, the father of linear programming

R.W. Cottle George B. Dantzig: A Legendary Life in Mathematical Programming Mathematical Programming (105) 1: 1-8 Jan 2006

R.W. Cottle George B. Dantzig: Operations Research Icon Operations Research (53) 6: 892-898 Nov-Dec 2005

J.C. Nash The (Dantzig) Simplex Method for Linear Programming Computing in Science & Engineering (2) 1: 29-31 Jan-Feb 2000

Un español resuelve un problema matemático de hace medio
siglo
El Mundo 26/5/2010

R.E. Bixby Solving Real-World Linear Programs: a Decade and More of Progress Operations Research (50) 1: 3-15 Jan-Feb 2002

       

Nov 6, 09
  Multiple optima.       LP Problems 1, 2, 3, 4, 8, 9, 22, 24    

Nov 12, 09
  Degeneracy. Characterizing the solutions.           Practical case report.
Hand in of optimization practical cases with GAMS.

Nov 12, 09
        Exams.  

Nov 13, 09
       

Data bases. Noel lunch.

Solution Poblem set # 1

  Questions about the modeling difficulties and GAMS practical case and spent time.

Nov 13, 09
        Problems    

Nov 18, 09
 

MIDTERM EXAM year 2009-10
MIDTERM EXAM year 2008-09
MIDTERM EXAM year 2007-08

           

Nov 26, 09
 

Exam review.

           

Nov 26, 09
 

Exam review.

           

Nov 27, 09
  Obtaining an initial basic feasible solution: two phase method.
          PHPSimplex

Nov 27, 09
  Obtaining an initial basic feasible solution: two phase method.            

Dec 3, 09
  DUALITY. Dual problem.       Oil tanker
  Comments about optimization practical cases.

Dec 3, 09
  Fundamental properties of duality. Economical interpretation.          

Dec 4, 09
  Graphical interpretation of dual variables and of reduced costs.
Sensitivity analysis. Changes in constraint bounds. Change in a coefficient of a non basic variable. Introduction of a new variable.
         

Dec 4, 09
  Introduction of a new variable. Change in a coefficient of a basic variable.         Comments about midterm exam.

Dec 10, 09
  Introduction of a new constraint.            

Dec 10, 09
  Dual simplex method.       Solution LP Problems 1, 2, 3, 4, 8, 9, 22, 24)    

Dec 11, 09
          Solution of Oil tanker  

Presentation of optimization practical cases.


Dec 11, 09
          Wineshop-keeper   Presentation of optimization practical cases.

Dec 17, 09
              Presentation of optimization practical cases.

Dec 17, 09
              Presentation of optimization practical cases.

Dec 18, 09
              Presentation of optimization practical cases.

Dec 18, 09
         

Solution of Wineshop-keeper

Drought

Saint Peter

  Presentation of optimization practical cases.

Jan 21, 10
 

LECTURE NOTES about Mixed integer linear programming.

INTEGER LINEAR PROGRAMMING. Example case.

  R.E. Gomory Early Integer Programming Operations Research (50) 1: 78-81 Jan-Feb 2002  

Problem Set MIP 2, 4, 1

   

Jan 21, 10
  Branch and bound method.        

Jan 22, 10
 

LECTURE NOTES about Nonlinear optimization.

Modeling NLP.
NONLINEAR PROGRAMMING. Introduction. Problems without constraints: optimality conditions.

  H.W. Kuhn Being in the Right Place at the Right Time Operations Research (50) 1: 132-134 Jan-Febr 2002

Entrevista a Mar Hershenson Anales de Mecánica y Electricidad (LXXXII) II: 3-10 Mar-Abr 2005
       

Jan 22, 10
  Problems with constraints: optimality conditions.            

Jan 22, 10
  Necessary and sufficient Karush-Kuhn-Tucker conditions.            

Jan 27, 10
       

Problem 2 TERM EXAM year 2008-09

 

Jan 27, 10
       

Problem 2 TERM EXAM year 2008-09

 

Jan 28, 10
       

Problem 3 TERM EXAM year 2008-09

 

Jan 28, 10
       

Problem 3 TERM EXAM year 2008-09

 

Jan 29, 10
       

Problem set Inventarios, Función cúbica con hiperplanos, Chequeo de puntos, Objetivo lineal, Problema 2, 3, 4A, 4B, 4C, Triatlón, Función cúbica, Ciencias de la complejidad)

 

Jan 29, 10
          Problem set Inventarios, Función cúbica con hiperplanos, Chequeo de puntos, Objetivo lineal, Problema 2, 3, 4A, 4B, 4C, Triatlón, Función cúbica, Ciencias de la complejidad)    

Feb 29, 10
          Solution problem set Inventarios, Función cúbica con hiperplanos, Chequeo de puntos, Objetivo lineal, Problema 2, 3, 4A, 4B, 4C, Triatlón, Función cúbica, Ciencias de la complejidad)
   

Feb 12, 10
 

TERM EXAM year 2009-10
TERM EXAM year 2008-09
TERM EXAM year 2007-08
TERM EXAM year 2006-07

           

Feb 23, 10
  Exam review.            

Feb 23, 10
  Exam review.            

Feb 24, 10
 

LECTURE NOTES about Queuing theory.

QUEUING THEORY. Introduction

           

Feb 24, 10
  Poisson process. M/M/1, M/M/s and M/M/s/K Systems.   C. Moler The origins of Matlab Matlab News & Notes Dec 2004

C. Moler The world's largest matrix computation Matlab News & Notes Oct 2002
  Problems 3 and 5.    

Mar 1, 10
  Other queuing systems.
Queuing systems formulas.
      Problem set Administración local, Dos procesadores, Descarga plataformas, Impresora, Feria, Consultas bancarias, Motores de barco, Aula de ordenadores    

Mar 1, 10
        Administración local, Dos procesadores, Descarga plataformas.    

Mar 3, 10
  Decision in queuing systems.      

Impresora, Feria, Consultas bancarias, Motores de barco, Aula de ordenadores

   

Mar 3, 10
         

Problem 29.

   

Mar 8, 10
 

LECTURE NOTES about Simulation.

SIMULATION. Definition. Advantages and drawbacks. Elements of discrete event simulation.

  A. Patching, T. Lemoine and G. Kern Improving Car Body Production at PSA Peugeot Citroën Interfaces (33) 1: 36-49 Jan-Feb 2003       Assignment of simulation practices with GPSS.

Mar 8, 10
  Structure of a simulation model. Trace. Case study of a queuing system.            

Mar 11, 10
  Simulation languages.          

GPSS World Slides
GPSS World Results Slides
GPSS World Manual
GPSS World Student Version

J. Banks and R.R. Gibson The ABCs of Simulation Practice Analytics Magazine 16-21 Spring 2009


Mar 11, 10
             

Instructions and several examples.


Mar 15, 10
             

Instructions and several examples.


Mar 15, 10
             

Practical session with GPSS.


Mar 18, 10
  Case study of a parallel system. Static reliability of a electric generation system. Reliability chronological model.   J. Van Hecke et. al. Sequential Probabilistic Methods for Power System Operation and Planning Electra No. 179 Aug 1998        

Mar 18, 10
  Pseudorandom number generation. Generation of random variables with continuous and discrete distributions. Inverse transform method. Simple acceptance-rejection method.   C. Moler Random thoughts. 10^435 years is a very long time Matlab News & Notes Fall 1995

C. Moler Normal behavior. Ziggurat algorithm generates normally distributed random numbers Matlab News & Notes Spring 2001
  Problem set Muelle circular, El apetito, Combinación de funciones, Impresoras, Reparación I, Fondos de inversión, Trabajos a imprimir, Demanda mínima  

Mar 22, 10
  Random variables with a normal distribution.      
   

Mar 22, 10
  Statistical analysis of the results.       Solution problem set. Muelle circular, El apetito, Combinación de funciones, Impresoras, Reparación I, Fondos de inversión, Trabajos a imprimir, Demanda mínima    

Mar 25, 10
 

LECTURE NOTES about Decision theory.

DECISION THEORY.
Decision criteria. Example.

 

G.M. Fernández and M.C. Escribano La Teoría de la Decisión: desde sus orígenes hasta comienzos del siglo XIX Boletín de Estadística e Investigación Operativa (30) 3: 292-312, Nov 2014.

Leonid Hurwicz, Eric S. Maskin y Roger B. Myerson 2007 Nobel Price in Economic Sciences "for having laid the foundations of mechanism design theory"

A. Mas-Colell Leo Hurwicz, el pionero El País. 21 Octubre 2007

       

Mar 25, 10
  Decision trees. Example.
         

Abr 7, 10
          Problem 1.
Problem set I+D, Contrato de móvil, Pañuelos, El huerto, El sondeo, Concurso)
   

Abr 7, 10
  Bayesian analysis. Example.             

Abr 12, 10
          Solution Problem set. I+D, Contrato de móvil, Pañuelos, El huerto, El sondeo, Concurso)  

Abr 12, 10
          Solution Problem set. I+D, Contrato de móvil, Pañuelos, El huerto, El sondeo, Concurso)   Lab report.
Hand in of simulation practices with GPSS.

Abr 14, 10
 

LECTURE NOTES about Game theory.

GAME THEORY.
Equilibrium on pure and mixed strategies.

 

H. Singh Introduction to Game Theory and Its Application in Electric Power Markets IEEE Computer Applications in Power (12)4: 18-22 Oct 1999

M. Shubik Game Theory and Operations Research: Some Musings 50 Years Later Operations Research (50) 1: 192-196 Jan-Feb 2002

P. Horner Game Theory: A 'Nobel' Pursuit OR/MS Today (32) 6 Dec 2005

Aumann's Work in Game Theory Leads to von Neumann Prize OR/MS Today (32) 6 Dec 2005

Robert J. Aumann and Thomas C. Schelling 2005 Nobel Price in Economic Sciences "for having enhanced our understanding of conflict and cooperation through game-theory analysis"

John C. Harsanyi, John F. Nash Jr. and Reinhard Selten 1994 Nobel Price in Economic Sciences "for their pioneering analysis of equilibria in the theory of non-cooperative games"

John F. Nash Non-Cooperative Games PhD Thesis. Princeton University. May 1950

A. Meca Génesis y Evolución de la Teoría de Juegos. Sus Orígenes en España Boletín de Estadística e Investigación Operativa Vol 22 No 1 / Enero 2006

       

Abr 14, 10
        Problem 22    

Apr 21, 10
  MIDTERM EXAM year 2009-10
MIDTERM EXAM year 2008-09
MIDTERM EXAM year 2007-08
     
   

Apr 26, 10
          Exam review.
   

Apr 26, 10
          Exam review.
   

Abr 29, 10
        Problem set Móviles, Caperucita, Suma nula 3x4, Suma nula 2x4, Suma nula 3x5, Suma nula 4x5)    

Apr 29, 10
          Solution problem set. Móviles, Caperucita, Suma nula 3x4, Suma nula 2x4, Suma nula 3x5, Suma nula 4x5)    

May 3, 10
 

LECTURE NOTES about Optimization models of inventory management.

INVENTORY MANAGEMENT MODELS.
Static deterministic models of economic order with continuous revision. Dynamic deterministic models.

  H.E. Scarf Inventory Theory Operations Research (50) 1: 186-191 Jan-Feb 2002      

May 3, 10
          Problem set Taller de vehículos, Descuento por cantidad, entrega paulatina, Análisis de gráficas, Texauto, Transporte, Atlántida, contenedores, Tienda 24 horas)    

May 5, 10
  Static stochastic models of economic order with continuous revision. EOQ stochastic model.          

May 6, 10
              Presentation of simulation practical cases.

May 10, 10
              Presentation of simulation practical cases.

May 10, 10
              Presentation of simulation practical cases.

May 13, 10
              Presentation of simulation practical cases.

May 13, 10
           

Presentation of simulation practical cases.


May 17, 10
      INTERNET DAY
Birthday of internet (data network) in 1969.
L. Kleinrock Creating a Mathematical Theory of Computer Networks Operations Research (50) 1: 125-131 Jan-Feb 2002
    Presentation of simulation practical cases.

May 17, 10
  Stochastic models of economic order with periodic revision.
Inventory formulas.
     
   

May 20, 10
          Solution problem set. Taller de vehículos, Descuento por cantidad, entrega paulatina, Análisis de gráficas, Texauto, Transporte, Atlántida, contenedores, Tienda 24 horas).    

May 20, 10
          Problems 1, 2, 3, 4, 7, 11, 12, 13, 15, 17 and 23. Other problems to be done (5, 6, 8, 16, 20, 21 and 24.)    

May 24, 10
 

LECTURE NOTES about Optimization models based in networks.

OPTIMIZATION IN NETWORKS. Introduction.
          Grafos
A. Rodríguez Grafos: herramienta informática para el aprendizaje y resolución de problemas reales de teoría de grafos X Congreso de Ingeniería de Organización. Valencia, España. Septiembre 2006

May 24, 10
  Shortest path problem.       Problem set Environmental Agency, Freighter, Maximum Flow through a network)    

May 27, 10
  Spanning tree.            

May 27, 10
  Maximum flow problem.       Solution problem set. Environmental Agency, Freighter, Maximum Flow through a network)    

May 31, 10
          Problems 2, 4 5, 6, 7 and 8.    

May 31, 10
  Minim cost flow problem. Compatible flow problem.       Problems 9 and 10.
Problems to be done (3 and 11.)
   

Jun 1, 10
 

LECTURE NOTES about Program Evaluation and Review Technique (PERT).

PROJECT PLANNING AND CONTROL. Critical path.
         

GanttProject.
Microsoft Project


Jun 1, 10
  PERT.       Problem set Task sequencing, Training course, Seven activities with acceleration cost, Activities with random duration, Investment with randomness)    

Jun 3, 10
  HOLIDAY.            

Jun 3, 10
  HOLIDAY.            

Jun 7, 10
  Introducing costs.       Solution problem set Task sequencing, Training course, Seven activities with acceleration cost, Activities with random duration, Investment with randomness)    

Jun 10, 10
          Problem 1, 2, 4, 7 and 9.    

Jun 10, 10
          Problem 1, 2, 4, 7 and 9.    

Jun 21, 10
         

FINAL EXAM year 2009-10
FINAL EXAM year 2008-09
FINAL EXAM year 2007-08
FINAL EXAM year 2006-07

   

Aug 25, 10
         

RESIT EXAM year 2009-10
RESIT EXAM year 2008-09
RESIT EXAM year 2007-08
RESIT EXAM year 2006-07