As a reinforcement to his courses at the UPM ETSII and other academic institutions, our cofounder Dr. Álvaro García records and shares short video playlists on Operations Research, both in English and Spanish, that you may find useful to understand this discipline.

### Inventory Management (EN)

#### Fundamentals

**EOQ.** Theoretical presentation of the EOQ model in inventory management.

**Reorder Point**. Theoretical presentation of one of the classic policies in inventory management: periodic supply.

**Fixed period**. Theoretical presentation of one of the classic policies in inventory management: fixed period.

**ABC Classification**. Presentation on the different types of inventories and how to manage them according the ABC classification.

#### Cases

**Joe Henry’s problem.** How to solve this inventory management exercise.

**OnlinePharma Case**. Stock management case and analysis of various inventory management policy alternatives.

**BQ problem**. How to solve an inventory management exercise.

**ECI problem**. How to solve an inventory management exercise.

**Simio model**. How to use a simulation model developed in Simio for a simple case of inventory management.

### Optimization

#### Intro

**Linear Programming. Just an intro (EN).** Very general introduction to Linear Programming.

**AIMMS. Tutorial for Beginners (EN).** Introduction to the development of optimization models on AIMMS.

**AIMMS. Transportation. (ES).** How to build a simple transportation optimization problem using AIMMS.

**AIMMS. Workforce scheduling (ES).** How to build a simple workforce schedule optimization problem using AIMMS.

#### Cases

**Optimization. Line Balancing Case (EN).** How to use an optimization model developed in AIMMS for a simple case design of an assembly line (line balancing).

**Simulated Annealing. Caso SEUS (ES).** Development of a simulated annealing algorithm for a TSP problem.

#### Misc

**PLE model efficiency. Location problem (EN)**. Introduction to some methods to tackle large problems (solver selection, solver settings, and valid cut-offs).

**Transportation problem. Building the dual problem (EN).** How to build the dual of the transportation problem and verify the results of both the fundamental and the complementary slackness theorems.

**Multiobjective optimization. Portfolio management case (EN).** A simple example of how to obtain Pareto solutions to help the decision maker with conflicting objectives.

### Simulation

#### Intro

**Discrete Event Simulation. Just an intro (EN).** Very general introduction to Discrete Event Simulation.

**SIMIO. Tutorial introductorio de Álvaro García (ES). **Simio Tutorial.

**SIMIO. Caso Gelsa (ES).** Step-by-step explanation of how to build a simulation model for a simple inventory management system.

#### Cases

**Kanban system (EN). **Analysis of the number of cards in a kanban-managed system using a simulation model.

**Conwip system (EN).** Analysis of the number of cards in a CONWIP system using a simulation model.

**Inventory management. Simio model (EN).** How to use a simulation model developed in Simio for a simple case of inventory management.

We hope you find these playlists useful.