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提起数值计算,很多人的可能会想到Fortran, Matlab。然而Python作为免费、开源的高级程序设计语言,同样可以进行数值计算。借助Numpy, Scipy, Matplotlib等优秀的第三方库,python几乎可以实现完全不输于Matlab的强大数据分析功能。 本书详细介绍了Python数据分析环境的搭建,各种库的使用,并给出了大量极具实用价值的代码段,以帮助读者快速上手利用Python进行各种数据分析工作,此外书中还涵盖了机器学习,代码性能优化等内容。 本书采用的是Python3环境,相比与《Python for Data Analysis》而言,内容上更贴近当前环境,非常值得一读。
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Numerical Python
Numerical Python by Robert Johansson shows you how to leverage the numerical
and mathematical modules in Python and its Standard Library as well as popular
open source numerical Python packages like NumPy, FiPy, matplotlib and more to
numerically compute solutions and mathematically model applications in a number
of areas like big data, cloud computing, financial engineering, business management
and more.
After reading and using this book, you’ll have some case study examples of
applications that can be found in areas like business management, big data/cloud
computing, financial engineering (i.e., options trading investment alternatives), and
even games.
Up until very recently, Python was mostly regarded as just a web scripting
language. Well, computational scientists and engineers have recently discovered
the flexibility and power of Python to do more. Big data analytics and cloud
computing programmers are seeing Python’s immense use. Financial engineers are
also now employing Python in their work. Python seems to be evolving as a language
that can even rival C++, Fortran, and Pascal/Delphi for numerical and mathematical
computations.
• How to plot and graph with matplotlib
• How to construct vectors and matrices with NumPy
• How to solve linear/non-linear equations with NumPy
• How to solve equations with finite element methods using FiPy
• How to handle image processing with Pillow, matplotlib and OpenCV
• How to do numerical computations, interpolations and optimizations using SciPy
• How to handle file I/O, data encoding/compression, and text/date/time processing
9781484 205549
55999
ISBN 978-1-4842-0554-9
Numerical Python
A Practical Techniques Approach
for Industry
Robert Johansson
Numerical Python: A Practical Techniques Approach for Industry
Robert Johansson
Urayasu, Chiba, Japan
ISBN-13 (pbk): 978-1-4842-0554-9 ISBN-13 (electronic): 978-1-4842-0553-2
DOI 10.1007/978-1-4842-0553-2
Library of Congress Control Number: 2015952828
Copyright © 2015 by Robert Johansson
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Printed on acid-free paper
To Mika and Erika.
v
Contents at a Glance
About the Author ���������������������������������������������������������������������������������������������������xvii
About the Technical Reviewer ��������������������������������������������������������������������������������xix
Introduction ������������������������������������������������������������������������������������������������������������xxi
■Chapter 1: Introduction to Computing with Python ����������������������������������������������� 1
■Chapter 2: Vectors, Matrices, and Multidimensional Arrays ������������������������������� 25
■Chapter 3: Symbolic Computing �������������������������������������������������������������������������� 63
■Chapter 4: Plotting and Visualization ������������������������������������������������������������������ 89
■Chapter 5: Equation Solving ������������������������������������������������������������������������������ 125
■Chapter 6: Optimization ������������������������������������������������������������������������������������� 147
■Chapter 7: Interpolation ������������������������������������������������������������������������������������ 169
■Chapter 8: Integration ��������������������������������������������������������������������������������������� 187
■Chapter 9: Ordinary Differential Equations �������������������������������������������������������� 207
■Chapter 10: Sparse Matrices and Graphs ���������������������������������������������������������� 235
■Chapter 11: Partial Differential Equations ��������������������������������������������������������� 255
■Chapter 12: Data Processing and Analysis �������������������������������������������������������� 285
■Chapter 13: Statistics ���������������������������������������������������������������������������������������� 313
■Chapter 14: Statistical Modeling ����������������������������������������������������������������������� 333
■Chapter 15: Machine Learning �������������������������������������������������������������������������� 363
■Chapter 16: Bayesian Statistics������������������������������������������������������������������������� 383
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