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Financial Modeling Using Quantum Computing

You're reading from   Financial Modeling Using Quantum Computing Design and manage quantum machine learning solutions for financial analysis and decision making

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Product type Paperback
Published in May 2023
Publisher Packt
ISBN-13 9781804618424
Length 292 pages
Edition 1st Edition
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Authors (4):
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Iraitz Montalban Iraitz Montalban
Author Profile Icon Iraitz Montalban
Iraitz Montalban
Anshul Saxena Anshul Saxena
Author Profile Icon Anshul Saxena
Anshul Saxena
Javier Mancilla Javier Mancilla
Author Profile Icon Javier Mancilla
Javier Mancilla
Christophe Pere Christophe Pere
Author Profile Icon Christophe Pere
Christophe Pere
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Toc

Table of Contents (16) Chapters Close

Preface 1. Part 1: Basic Applications of Quantum Computing in Finance
2. Chapter 1: Quantum Computing Paradigm FREE CHAPTER 3. Chapter 2: Quantum Machine Learning Algorithms and Their Ecosystem 4. Chapter 3: Quantum Finance Landscape 5. Part 2: Advanced Applications of Quantum Computing in Finance
6. Chapter 4: Derivative Valuation 7. Chapter 5: Portfolio Management 8. Chapter 6: Credit Risk Analytics 9. Chapter 7: Implementation in Quantum Clouds 10. Part 3: Upcoming Quantum Scenario
11. Chapter 8: Simulators and HPC’s Role in the NISQ Era 12. Chapter 9: NISQ Quantum Hardware Roadmap 13. Chapter 10: Business Implementation 14. Index 15. Other Books You May Enjoy

Error mitigation

Some common sources of error can be more systematically tackled since measuring the classical outcome of quantum hardware is not free of errors. Luckily, this type of error can be tackled by observing the common errors that are made upon readout and compensating for post-processing the outcome.

If we look into our IBM Quantum Experience service once more, we could request the readout error for a given device. In Figure 9.6, we can observe how any operation that’s done on qubits 10 and 15, upon measurement, could be misinterpreted:

Figure 9.6 – Readout error on IBM’s Toronto device (27 superconducting qubits Falcon r4)

Figure 9.6 – Readout error on IBM’s Toronto device (27 superconducting qubits Falcon r4)

These statistics can be derived by the simple act of placing an operation whose outcome is known (for example, X|ψ) and recording the discrepancies upon measuring it for a significant number of tryouts. If those statistics are known, you can compensate for the measurements that are obtained...

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