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Dancing with Python

Dancing with Python

By : Robert S. Sutor
5 (7)
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Dancing with Python

Dancing with Python

5 (7)
By: Robert S. Sutor

Overview of this book

Dancing with Python helps you learn Python and quantum computing in a practical way. It will help you explore how to work with numbers, strings, collections, iterators, and files. The book goes beyond functions and classes and teaches you to use Python and Qiskit to create gates and circuits for classical and quantum computing. Learn how quantum extends traditional techniques using the Grover Search Algorithm and the code that implements it. Dive into some advanced and widely used applications of Python and revisit strings with more sophisticated tools, such as regular expressions and basic natural language processing (NLP). The final chapters introduce you to data analysis, visualizations, and supervised and unsupervised machine learning. By the end of the book, you will be proficient in programming the latest and most powerful quantum computers, the Pythonic way.
Table of Contents (29 chapters)
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2
Part I: Getting to Know Python
10
PART II: Algorithms and Circuits
14
PART III: Advanced Features and Libraries
19
References
20
Other Books You May Enjoy
1
Appendices
4
Appendix C: The Complete UniPoly Class
5
Appendix D: The Complete Guitar Class Hierarchy
7
Appendix F: Production Notes

7.3 Object representation

As we saw previously, each polynomial has its indeterminate stored as a string with a single alphabetic character. Remember that one polynomial might have an indeterminate of 'x' while another might use 'z'. We don’t need to worry about that now, but we will when it comes time to perform binary operations like addition and multiplication.

We need to design how we represent multiple terms. Since all terms share the one indeterminate, each term needs only int values for its coefficient and exponent. I could put these in a list of lists and say that those are the terms. Our polynomials

p = x2 + 7x + 1     and     q = 4x3 – 7x2 + x – 9

could be represented as

[[1, 2], [7, 1], [1, 0]]
[[1, 2], [7, 1], [1, 0]]

and

[[4, 3], [-7, 2], [1, 1], [-9, 0]]
[[4, 3], [-7, 2], [1, 1], [...
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Dancing with Python
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