Book Image

NumPy Essentials

By : Leo (Liang-Huan) Chin, Tanmay Dutta, Shane Holloway
Book Image

NumPy Essentials

By: Leo (Liang-Huan) Chin, Tanmay Dutta, Shane Holloway

Overview of this book

In today’s world of science and technology, it’s all about speed and flexibility. When it comes to scientific computing, NumPy tops the list. NumPy gives you both the speed and high productivity you need. This book will walk you through NumPy using clear, step-by-step examples and just the right amount of theory. We will guide you through wider applications of NumPy in scientific computing and will then focus on the fundamentals of NumPy, including array objects, functions, and matrices, each of them explained with practical examples. You will then learn about different NumPy modules while performing mathematical operations such as calculating the Fourier Transform; solving linear systems of equations, interpolation, extrapolation, regression, and curve fitting; and evaluating integrals and derivatives. We will also introduce you to using Cython with NumPy arrays and writing extension modules for NumPy code using the C API. This book will give you exposure to the vast NumPy library and help you build efficient, high-speed programs using a wide range of mathematical features.
Table of Contents (16 chapters)
NumPy Essentials
Credits
About the Authors
About the Reviewers
www.PacktPub.com
Preface

Introducing Distutils and setuptools


Before we begin, first let us understand what these tools are and why we prefer one over another. Distutils is a framework that comes by default with Python, and setuptools builds over the standard Distutils to provide enhanced functionalities and features. In a real-world scenario, you will never use Distutils. The only case where you might want to use Distutils alone is where setuptools is unavailable. (A good setup script should check for the availability of setuptools before proceeding.) In most cases, users will be better off installing setuptools as most packages nowadays are built over them. We will be using setuptools for building Cython code in the following chapters; hence, for our purpose, we will be installing setuptools now and using it extensively from now on.

Next let us start by installing the required tools to build our first dummy (but working) installer. After we have got our installer working, we will dive into more functionalities...