July 2021
Intermediate to advanced
384 pages
11h 15m
English
Content preview from Learn Quantum Computing with Python and Q#
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appendix C Linear algebra refresher
In this appendix, our goal is to quickly cover some of the linear algebra skills that are useful for this book. We’ll discuss what vectors and matrices are, how to work with vectors and matrices to represent linear functions, and how to use Python and NumPy to work with vectors and matrices.
C.1 Approaching vectors
Before we can get to what qubits are, we need to understand the concept of a vector.
Suppose a friend of ours is having people over to celebrate that they fixed their doorbell, and we’d very much like to find their house and celebrate the occasion with them. How can our friend help us find their home?
You can see a sketch of our direction dilemma in figure C.1. Vectors are a mathematical tool ...
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