Computing Methods in Physics

This is the material used during my course. You can find all information about the course at http://www.roma1.infn.it/people/rahatlou/cmp/

• Introduction to the course: pdf

• Introduction to C++: pdf examples

• References and pointers in C++. Constant. Namespace. Introduction to Class: pdf examples

• Classes and objects in C++. Interface and attributes. Constructors: pdf examples

• Separating interface and implementation. Header and source files: pdf examples

• Using class std::vector. Dynamic memory allocation. Destructor. const member functions. Default arguments for functions: pdf examples

• Applications in C++. Arguments from comamnd line. external libraries. Introduction to ROOT: pdf examples

• Simple instructions for ROOT setup and configuration of ROOT and the shell environment: md

• Dynamically allocated object as data members. Overloading operators. Adding operators to class Datum. class Vector3D: pdf examples

• Overloading operators and friend methods. Static data members and methods. Application to compute weighted average: pdf examples

• Example of static data member in class Datum. Enumerators. use case for std::map, std::pair, and std::vector pdf examples

• Input/Output with TTree and TFile: branches with simple int and double variables: examples

• I/O with TTree: variable size arrays. Storing user-defined Class in TTree: md, examples

  • jupyter notebook for interactive example of writing and ready a TTree with variable size arrays WriteReadTree.ipynb (you need jupyter installed on your machine. See https://jupyter.org. Both ROOT and jupyter must use the same version of python.)

• Application for analysis of TTree. Creating custom analysis class: md, examples

• Object oriented programming: Inheritance. Base and derived class. Introduction to polymorphism: pdf, examples

• Polymorphism: abstract class and virtual methods. Applications: pdf, examples I, examples II

• Strategy pattern, examples and applications: Numerical integration methods. custom Function class: md, examples

• Composition pattern, examples and applications: leaf and composites in graphical applications. Example of a solar system simulation. md, examples

• Template and generic programming in C++. Template functions: pdf, examples

• Template classes. STL library. Error handling in C++ with exceptions: pdf, examples

• Introduction to Python. Main differences with C/C++. Introduction to jupyter: md, examples

• Python basics: semantics, flow control, built-in, functions, modules. Inline help: md, examples

• Data structure in python: sequences. Lists, Tuples. Example of plotting with matplotlib. Motion of a body under gravity: md, examples

• Data types in python: Dictionaries and sets. Comprehensions. data analysis with sets, lists, dicts. Plotting a histogram. revisiting example from previous lecture.: md, examples

• More on Functions in python. Animated plots with matplotlib: md, examples

• Numpy and array-oriented programming with ndarray. Example of random walk with arrays: md

• Classes in python: inheritance and polymorphism: md