# NumPy: Beginner's Guide

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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 will give you both speed and high productivity. This book will walk you through NumPy with clear, step-by-step examples and just the right amount of theory. The book focuses 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, finding the inverse of a matrix, and determining eigenvalues, among many others. This book is a one-stop solution to knowing the ins and outs of the vast NumPy library, empowering you to use its wide range of mathematical features to build efficient, high-speed programs.We applied the fft() function to a cosine wave. After applying the ifft() function, we got our signal back (see fourier.py): from __future__ import print_function import numpy as np import matplotlib.pyplot as plt x = np.linspace(0, 2 * np.pi, 30) wave anbsp;...

 Title : NumPy: Beginner's Guide Author : Ivan Idris Publisher : Packt Publishing Ltd - 2015-06-24