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## Computational Error and Complexity

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### Syamal Kumar Sen

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- 1st Edition, Volume 201 - March 4, 2005
- Authors: Vangipuram Lakshmikantham, Syamal Kumar Sen
- Language: English
- Hardback ISBN:9 7 8 - 0 - 4 4 4 - 5 1 8 6 0 - 6
- eBook ISBN:9 7 8 - 0 - 0 8 - 0 4 5 9 5 1 - 6

The book “Computational Error and Complexity in Science and Engineering” pervades all the science and engineering disciplines where computation occurs. Scientific and engineering… Read more

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Immediately download your ebook while waiting for your print delivery. No promo code is needed.

The book “Computational Error and Complexity in Science and Engineering” pervades all the science and engineering disciplines where computation occurs. Scientific and engineering computation happens to be the interface between the mathematical model/problem and the real world application. One needs to obtain good quality numerical values for any real-world implementation. Just mathematical quantities symbols are of no use to engineers/technologists. Computational complexity of the numerical method to solve the mathematical model, also computed along with the solution, on the other hand, will tell us how much computation/computational effort has been spent to achieve that quality of result. Anyone who wants the specified physical problem to be solved has every right to know the quality of the solution as well as the resources spent for the solution. The computed error as well as the complexity provide the scientific convincing answer to these questions. Specifically some of the disciplines in which the book will be readily useful are (i) Computational Mathematics, (ii) Applied Mathematics/Computational Engineering, Numerical and Computational Physics, Simulation and Modelling. Operations Research (both deterministic and stochastic), Computing Methodologies, Computer Applications, and Numerical Methods in Engineering.Key Features:- Describes precisely ready-to-use computational error and complexity- Includes simple easy-to-grasp examples wherever necessary.- Presents error and complexity in error-free, parallel, and probabilistic methods.- Discusses deterministic and probabilistic methods with error and complexity. - Points out the scope and limitation of mathematical error-bounds.- Provides a comprehensive up-to-date bibliography after each chapter.

· Describes precisely ready-to-use computational error and complexity· Includes simple easy-to-grasp examples wherever necessary.· Presents error and complexity in error-free, parallel, and probabilistic methods.· Discusses deterministic and probabilistic methods with error and complexity. · Points out the scope and limitation of mathematical error-bounds.· Provides a comprehensive up-to-date bibliography after each chapter.

Students of Computational/Applied Mathematics, Computational Engineering, Numerical and Computational Physics, Simulation and Modelling. Operations Research (both deterministic and stochastic), Computing Methodologies, Computer Applications, and Numerical Methods in Engineering. Evolutionary Computation, Genetic Algorithms/Programming.

- Preface
- Chapter 1: Introduction
- 1.1 Science versus engineering
- 1.2 Capability and limit of computation
- 1.3 What is computation in science and engineering
- 1.4 Tools for Computation
- 1.5 Algorithms and Complexity
- 1.6 Types of computation
- 1.7 Models of computation
- 1.8 Computer representable numbers: Scope and error
- 1.9 Problem-solving: Stages and error
- 1.10 Stages of problem-solving: Equivalence and hierarchical structure

- Chapter 2: Error: Precisely What, Why, and How
- 2.1 Introduction
- 2.2 Error: Precisely what and how to compute
- 2.3 Error-free environment/quantity — How far is it possible
- 2.4 Error analysis
- 2.5 Limitation of interval arithmetic and significant digit arithmetic
- 2.6 Visualization of error
- 2.7 Mathematical error versus computable error
- 2.8 Confidence versus error
- 2.9 Error-bound is non-decreasing while actual error need not be
- 2.10 Stability and error

- Chapter 3: Complexity: What, Why, and How
- 3.1 Introduction
- 3.2 Algorithm as Turing machine and algorithmic complexity
- 3.3 Pspace
- 3.4 Alternation
- 3.5 Logspace
- 3.6 Probabilistic complexity
- 3.7 Descriptive complexity
- 3.8 Boolean circuit complexity
- 3.9 Communication complexity
- 3.10 Quantum complexity
- 3.11 Parallel complexity

- Chapter 4: Errors and Approximations in Digital Computers
- 4.1 Introduction
- 4.2 Number representation
- 4.3 Fixed- and floating-point representation and a arithmetic
- 4.4 Error in function with approximate arguments (direct problem)
- 4.5 Error in arguments with prescribed accuracy in function (inverse problem)
- 4.6 Significance of a function
- 4.7 Error in series approximation
- 4.8 Base 2 system: best in computer/communication
- 4.9 IEEE 754 floating-point format

- Chapter 5: Error and Complexity in Numerical Methods
- 5.1 Introduction
- 5.2 Error in quantities and computations
- 5.3 Computational complexity
- 5.4 What computer can represent
- 5.5 Algorithms and related errors
- 5.6 Conclusions

- Chapter 6: Error and Complexity in Error-Free, Parallel, and Probabilistic Computations
- 6.1 Introduction
- 6.2 Actual error-bound in exact computation: Exponential problem
- 6.3 Parallel computation: error and complexity
- 6.4 Error-bounds in probabilistic computation
- 6.5 Shrinking-rectangle randomized algorithm for complex zero: Error and complexity

- Index

- No. of pages: 260
- Language: English
- Edition: 1
- Volume: 201
- Published: March 4, 2005
- Imprint: Elsevier Science
- Hardback ISBN: 9780444518606
- eBook ISBN: 9780080459516

VL

Affiliations and expertise

Florida Institute of Technology, Melbourne, FL, USASS

Affiliations and expertise

Florida Institute of Technology, Melbourne, FL, USARead *Computational Error and Complexity in Science and Engineering* on ScienceDirect