HandsOn Quantum Machine Learning With Python
HandsOn Quantum Machine Learning With Python
Volume 1: Get Started
About the Book
Story
HandsOn Quantum Machine Learning With Python
You're interested in quantum computing and machine learning... ...But you don't know how to get started? Let me help!
Whether you just get started with quantum computing and machine learning or you're already a senior machine learning engineer, HandsOn Quantum Machine Learning With Python is your comprehensive guide to get started with Quantum Machine Learning  the use of quantum computing for the computation of machine learning algorithms.
Quantum computing promises to solve problems intractable with current computing technologies. But is it fundamentally different and asks us to change the way we think.
HandsOn Quantum Machine Learning With Python strives to be the perfect balance between theory taught in a textbook and the actual handson knowledge you’ll need to implement realworld solutions.
Inside this book, you will learn the basics of quantum computing and machine learning in a practical and applied manner.
HandsOn Quantum Machine Learning With Python provides a nononsense teaching style guaranteed to cut through all the cruft and help you master Quantum Machine Learning
Handson tutorials (with lots of code) that not only show you the concepts of quantum computing and the algorithms behind machine learning but their implementations as well.
Inside HandsOn Quantum Machine Learning With Python, you'll learn the basics of machine learning and quantum computing.
You'll learn how to create parameterized quantum circuits and variational hybrid quantumclassical algorithms that solve classification tasks.
Learn about quantum superposition, entanglement, and interference and how you can use it to solve problems intractable for classical computers.
Before you do anything else, take a look at the first three chapters of the book for free. You can download this preview at www.pyqml.com. This sample contains almost 100 pages that get you started with quantum machine learning.
This book offers a practical, handson exploration of quantum machine learning. Rather than working through tons of theory, we will build up practical intuition about the core concepts. We will acquire the exact knowledge we need to solve practical examples with lots of code. Step by step, you will extend your knowledge and learn how to solve new problems.
Of course, we will do some math. Of course, we will cover a little physics. But I don’t expect you to hold a degree in any of these two fields. We will go through all the concepts we need. While this includes some mathematical notation and formulae, we keep it at the minimum required to solve our practical problems.
The theoretical foundation of quantum machine learning may appear overwhelming at first sight.
Be assured, when put into the right context and when explained conceptually, it is not as hard as it sounds. And this is what’s inside HandsOn Quantum Machine Learning With Python.
Is this book right for me?
You don't need to be a mathematician.
You don't need to be a physicist, either.
This book is for developers, programmers, students, and researchers who have at least some programming experience and who want to become proficient in quantum machine learning. Don’t worry if you’re just getting started with quantum computing and machine learning. We will begin with the very basics. We don’t assume prior knowledge of machine learning or quantum computing. You will not get left behind.
Of course, we will write code. A lot of code, actually. If you know a little Python, great! If you don’t know Python but another language, such as Java, Javascript, or PHP, you’ll be fine, too. If you know programming concepts (such as ifthenelseconstructs and loops) then learning the syntax is a piece of cake. If you’re familiar with functional programming constructs, such as map, filter, and reduce, you’re already well equipped. If not, don’t worry, we will get you started with these constructs, too. We don’t expect you to be a senior software developer. We will go through all the code. Line by line. By the time you finish this book, you will be proficient with doing the math, understanding the physics, and writing the code you need to graduate to more advanced content.
The time you’ll save by reading through HandsOn Quantum Machine Learning With Python will more than pay for itself.
Libraries
For all examples inside HandsOn Quantum Machine Learning With Python, we use Python as our programming language. Python is easy to learn. Its simple syntax allows you to concentrate on learning quantum machine learning, rather than spending your time with the specificities of the language.
The most important library we use is Qiskit. It is IBM's quantum computing SDK. Qiskit is opensource. It provides tools for creating and manipulating quantum programs and running them on prototype quantum devices on IBM Quantum Experience or on simulators on your local computer.
For all the machine learning parts, we will use ScikitLearn. Scikitlearn is the most useful library for machine learning in Python. It contains a range of supervised and unsupervised learning algorithms. Scikitlearn builds upon a range of other very useful libraries, such as:
 NumPy: Work with ndimensional arrays
 SciPy: Fundamental library for scientific computing
 Matplotlib: Comprehensive 2D/3Dbplotting
 IPython: Enhanced interactive console
 Sympy: Symbolic mathematics
 Pandas: Data structures and analysis
Algorithms
Inside this book, we will learn how to create actual algorithms from the scratch, such as:
 Quantum Probabilistic Classifier
 Quantum Bayesian Network
 Quantum Optimization Algorithms
Table of Contents

1 Introduction
 1.1 Who This Book Is For
 1.2 Book Organization
 1.3 Why Should I Bother With Quantum Machine Learning?
 1.4 Quantum Machine Learning ‐ Beyond The Hype
 1.5 Quantum Machine Learning In The NISQ Era
 1.6 I learned Quantum Machine Learning The Hard Way
 1.7 Quantum Machine Learning Is Taught The Wrong Way
 1.8 Configuring Your Quantum Machine Learning Workstation

2 Binary Classification
 2.1 Predicting Survival On The Titanic
 2.2 Get the Dataset
 2.3 Look at the data
 2.4 Data Preparation and Cleaning
 2.5 Baseline
 2.6 Classifier Evaluation and Measures
 2.7 Unmask the Hypocrite Classifier

3 Qubit and Quantum States
 3.1 Exploring the Quantum States
 3.2 Visual Exploration Of The Qubit State
 3.3 Bypassing The Normalization
 3.4 Exploring The Observer Effect
 3.5 Parameterized Quantum Circuit
 3.6 Variational Hybrid Quantum‐Classical Algorithm

4 Probabilistic Binary Classifier
 4.1 Towards Naïve Bayes
 4.2 Bayes' Theorem
 4.3 Gaussian Naïve Bayes

5 Working with Qubits
 5.1 You Don't Need To Be A Mathematician
 5.2 Quantumic Math ‐ Are You Ready For The Red Pill?
 5.3 If You Want To Gamble With Quantum Computing

6 Working With Multiple Qubits
 6.1 Hands‐On Introduction To Quantum Entanglement
 6.2 The Equation Einstein Could Not Believe
 6.3 Quantum Programming For Non‐mathematicians

7 Quantum Naïve Bayes
 7.1 Pre‐processing
 7.2 PQC
 7.3 Post‐Processing

8 Quantum Computing Is Different
 8.1 The No‐Cloning Theorem
 8.2 How To Solve A Problem With Quantum Computing
 8.3 The Quantum Oracle Demystified

9 Quantum Bayesian Networks
 9.1 Bayesian Networks
 9.2 Composing Quantum Computing Controls
 9.3 Circuit implementation

10 Bayesian Inference
 10.1 Learning Hidden Variables
 10.2 Estimating A Single Data Point
 10.3 Estimating A Variable
 10.4 Predict Survival

11 The World Is Not A Disk
 11.1 The Qubit Phase
 11.2 Visualize The Invisible Qubit Phase
 11.3 Phase Kickback
 11.4 Quantum Amplitudes and Probabilities

12 Working With The Qubit Phase
 12.1 The Intuition Of Grover's Algorithm
 12.2 Basic Amplitude Amplification
 12.3 Two‐Qubit Amplification

13 Search For The Relatives
 13.1 Turning the Problem into a Circuit
 13.2 Multiple Results

14 Sampling
 14.1 Forward Sampling
 14.2 Bayesian Rejection Sampling
 14.3 Quantum Rejection Sampling
 15 What's Next?
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