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Quantum Computing Algorithms

Quantum Computing Algorithms

By : Barry Burd
4.6 (7)
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Quantum Computing Algorithms

Quantum Computing Algorithms

4.6 (7)
By: Barry Burd

Overview of this book

Navigate the quantum computing spectrum with this book, bridging the gap between abstract, math-heavy texts and math-avoidant beginner guides. Unlike intermediate-level books that often leave gaps in comprehension, this all-encompassing guide offers the missing links you need to truly understand the subject. Balancing intuition and rigor, this book empowers you to become a master of quantum algorithms. No longer confined to canned examples, you'll acquire the skills necessary to craft your own quantum code. Quantum Computing Algorithms is organized into four sections to build your expertise progressively. The first section lays the foundation with essential quantum concepts, ensuring that you grasp qubits, their representation, and their transformations. Moving to quantum algorithms, the second section focuses on pivotal algorithms — specifically, quantum key distribution and teleportation. The third section demonstrates the transformative power of algorithms that outpace classical computation and makes way for the fourth section, helping you to expand your horizons by exploring alternative quantum computing models. By the end of this book, quantum algorithms will cease to be mystifying as you make this knowledge your asset and enter a new era of computation, where you have the power to shape the code of reality.
Table of Contents (19 chapters)
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2
Part 1 Nuts and Bolts
7
Part 2 Making Qubits Work for You
10
Part 3 Quantum Computing Algorithms
14
Part 4 Beyond Gate-Based Quantum Computing

When to use Grover’s algorithm

Before signing a contract to use Grover’s algorithm, you must read the fine print. To run Grover’s algorithm, you need an oracle that marks your search’s target amplitude. Think about the analogy at the start of this chapter. You have 64 boxes, and you wonder which box contains your coffee pot. Along comes an omniscient oracle who knows which box contains the pot. The oracle puts a mark on that box for everyone to see.

The oracle “knows” which item is the target and marks that item. But, in quantum computing, someone or something has to write the oracle’s code. Why can’t we just ask that code-writing agent which item it marked? Why bother doing inversion about the mean? Why trouble yourself by applying the Grover iterate?

For Grover’s algorithm to be useful, a search problem must have certain characteristics. Among them is the requirement that you can code the oracle without knowing...

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Quantum Computing Algorithms
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