Programmation
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Cours, examens, TD, TP et exercices de programmation. Thèmes couverts : algorithmique, langage C, Java, Python, POO, structures de données.
The paper presents a comparison between Fuzzy C-Means (FCM) and K-Means clustering algorithms, focusing on their core methodologies and computational efficiencies. FCM assigns data points membership degrees between clusters based on fuzzy logic, enabling points to belong to multiple clusters, while K-Means groups data exclusively into non-overlapping clusters. The study evaluates both algorithms using the Iris dataset, showing that despite FCM producing more flexible clustering due to its fuzzy logic foundation, K-Means significantly outperforms it in computational efficiency. Experimental...
Ce document traite des fonctions fondamentales du noyau d'un système d'exploitation, y compris la gestion de la mémoire et des processus. Il explique également les commandes pour gérer les modules du noyau, comme lsmod et modprobe. Enfin, il guide sur la création d'un module hello world pour le noyau Linux.
This document provides a preliminary study on the use of Make for compiling code. It explains the structure and purpose of Makefiles, along with examples of basic implementation. Additionally, it highlights the importance of managing dependencies during the compilation process.
Ce document contient des travaux pratiques sur la gestion des processus en programmation. Il présente plusieurs codes C illustrant la création de processus et pose des questions sur les concepts de processus zombies et orphelins. L'objectif est d'explorer les structures et comportements des processus dans un système d'exploitation.
This document introduces key MATLAB programming concepts such as the FOR-END loop and functions. FOR-END loops are used for repetitive iterations with set boundaries, including support for variable step sizes and reverse counting. Functions in MATLAB are modular blocks of code with input parameters, output variables, and local variable management, enhancing reusability and maintainability of code. Emphasis is placed on syntax, indentation, and practical applications through exercises covering numerical iterations, sequence calculations, and solving mathematical equations programmatically.
The paper focuses on digital image watermarking as a technique for information security, highlighting its importance in business industries and media protection. It proposes the use of the Discrete Fourier Transform (DFT) for embedding secret messages into digital data. The methodology outlines various watermarking types, including visible, invisible, robust, and fragile, and introduces metrics such as payload, distortion, robustness, and security for evaluating watermarking schemes. Experimental results demonstrate the effectiveness of the proposed watermarking techniques, integrating Four...
This document serves as an instructional resource for understanding object-oriented programming concepts in Java. It introduces the foundational elements such as classes, attributes, methods, and object instantiation. The content places emphasis on encapsulation using visibility modifiers alongside practical guidelines for internal classes, packages, and constructors. Example syntaxes and exercises for core concepts are provided to enable hands-on programming practice.
The document introduces the concept of Object-Oriented Programming (OOP), emphasizing its evolution from procedural programming paradigms to more modular and reusable code structures. Key elements of OOP such as encapsulation, abstraction, inheritance, and polymorphism are discussed, highlighting their significance in improving code quality, maintenance efficiency, and development speed. It outlines the benefits of modularization, such as reusability, localized modifications, and better organization of data and methods within objects. The text also contrasts OOP with earlier programming par...
This document discusses the software 'make' used for automatic file compilation in programming, specifically within UNIX platforms. It outlines the basic structure and use of 'makefile' files, demonstrating how dependencies and commands are evaluated during the build process. Examples of C source files and corresponding makefile configurations are provided.
The final project for the Text Mining course involves implementing a sentiment analyzer in Python using social media comments written in Tunisian Arabic. Students must collect at least 500 comments from different data sources, ensuring the collected data is balanced in sentiment. The project includes proposal submission, data collection, code writing, and final report submission.
The document discusses a problematic use of inheritance in the SuperCanard simulation game, highlighting how adding new features caused unintended side effects. Joel, the programmer, realized that inheritance was not optimal for addressing frequent changes to behavior, such as flying and quacking. To solve this, he proposed separating behaviors into distinct classes to decouple them from the main Duck class. This design pattern enables more modular and maintainable code, allowing selective assignment of behaviors to duck types.
This document provides a comprehensive overview of algorithmic methods used in various mathematical contexts. It covers topics like naive algorithms, binary methods, dynamic programming, and greedy algorithms, along with exercises for practice. The course includes bibliographic references for further reading.
Ce document traite de la NP-complétude en se concentrant sur des problèmes célèbres tels que 3-SAT et NAESAT. Il présente la définition de chaque problème ainsi que des preuves de leur NP-complétude par des réductions à partir de SAT. L'objectif est de montrer la diversité des problèmes NP-complets et les techniques utilisées pour les démontrer.
This document provides detailed instructions for a CNC milling exercise, focusing on contouring, spotting, and drilling tasks. It outlines the tools used, including a T1 end mill and T2/T3 drill bits, along with precise cutting conditions like spindle speed (N) and feed rate (Vf). Key points and tool corrections are specified for each step, with precise coordinates and G-code commands for execution. The document concludes with a program for CNC contournage, spotting, and drilling, ensuring accuracy and adherence to prescribed conditions.
This document is an instructional exercise focused on CNC milling programming that involves contouring with and without radius correction, using a 5mm diameter cutting tool. Methodologies include decoding program instructions, completing coordinate tables, and visualizing milling paths. The document describes step-by-step machine tool movements, including tool mounting, rapid positioning, and precise milling operations. Key findings emphasize accuracy in dimensional placements and the use of G41 for radius correction to improve precision in machining paths.
This document provides an in-depth examination of CNC programming, emphasizing the core role of the Numerical Control Director (NC Director) in interpreting commands and controlling machine tools. It details the historical development of programming languages like G-code, highlighting the lack of universal standardization and the evolution of specialized dialects and extensions introduced by manufacturers. The document also discusses simulation tools for code validation and explains various CNC codes and functions, alongside critical concepts like origins and offsets in machine programming....
This document discusses Enterprise Java Beans (EJB), a technology designed to simplify the development of large-scale, distributed, and transactional Java applications. It explores the benefits of EJB, which include modularity, scalability, and session management. Detailed discussions and schema aim to explain the various types of EJBs, particularly Session Beans, and their practical applications. The document also includes an example application of EJB concepts such as stateful session management within e-commerce systems.
The document outlines the guidelines for a web development project to be completed by pairs of students. The project involves creating a multi-page web application with specific themes, integrating elements such as images, text, forms, and tables, and using a database with at least two tables for data management. Grading will be based on HTML/CSS design, PHP/SQL database structure, and JavaScript code quality. The submission date will be announced two weeks before the end of the course.
This document is a comprehensive presentation explaining the Enterprise JavaBeans (EJB) framework. It begins by defining EJB as a server-side component model for building business applications and transitions, detailing its types: entity beans, session beans, and message-driven beans. Key classes, interfaces, and deployment descriptors like ejb-jar.xml are outlined along with the structure and functionalities of EJB servers. Finally, the presentation discusses JBoss, a J2EE application server supporting EJB, along with its components for security, transaction handling, and more.
This document explores Enterprise JavaBeans (EJB) as components used in distributed applications, allowing developers to focus on business logic while abstracting low-level technical issues. It describes the three-tier architecture where EJBs handle business processes and outlines three types of EJBs—entity beans for persistent data, session beans for managing tasks, and message-driven beans for asynchronous communication. Technical considerations such as interfaces, state management, and threading constraints of EJB sessions are covered, highlighting the operational differences between sta...
Ce chapitre introduit des problèmes classifiés comme NP-complets, notamment 3-SAT, NAESAT, STABLE, CLIQUE, COUPURE MAXIMALE, et CIRCUIT HAMILTONIEN. Les démonstrations se basent sur des réductions polynomiales à partir de SAT ou d'autres problèmes connus. Les cadres formels comprennent les définitions des problèmes, des transformations en temps polynomial, et des chaînes d'équivalence entre satisfiabilité, cliques, couvertures de sommets et circuits hamiltoniens, offrant une vue unifiée pour prouver la NP-complétude. Une attention particulière est dédiée à la construction de graphes et à la...
Ce document présente un exercice de gestion des comptes bancaires utilisant la programmation orientée objet en Java. Il traite des différents aspects de la création de comptes et de clients, ainsi que des opérations de crédit et de débit. De plus, il explore la possibilité d'avoir plusieurs comptes par client et inclut des exercices sur les types de comptes et les types de clients.
Ce projet consiste à développer une application de gestion commerciale pour gérer les commandes de vente d'une petite société. L'application sera construite en Java en utilisant les concepts de la programmation orientée objet comme l'encapsulation et l'héritage. Les fonctionnalités incluent la gestion des produits et des entrées-sorties, ainsi que des opérations d'inventaire.
Enterprise Java Beans (EJB) are components designed to simplify the creation of distributed applications for enterprises, focusing on reusability and modularity. EJBs fit seamlessly into multi-tier architectures where clients interact with lightweight interfaces, middle layers handle business logic, and databases ensure data persistence. EJB components are categorized into session beans (both stateful and stateless), entity beans for database interaction, and message-driven beans that process asynchronous requests. Entity beans handle database persistence, while message-driven beans utilize...