Download e-book for kindle: An Introduction to Numerical Methods and Analysis by James F. Epperson

By James F. Epperson

ISBN-10: 1118367596

ISBN-13: 9781118367599

Praise for the First Edition

". . . outstandingly beautiful in regards to its kind, contents, concerns of necessities of perform, number of examples, and exercises."—Zentralblatt MATH

". . . conscientiously established with many specific labored examples."—The Mathematical Gazette

The Second Edition of the very hot An advent to Numerical equipment and Analysis offers an absolutely revised advisor to numerical approximation. The publication remains to be available and expertly publications readers in the course of the many to be had innovations of numerical tools and analysis.

An creation to Numerical equipment and research, moment Edition displays the most recent tendencies within the box, contains new fabric and revised routines, and gives a distinct emphasis on purposes. the writer sincerely explains the right way to either build and review approximations for accuracy and function, that are key abilities in numerous fields. a variety of higher-level equipment and strategies, together with new issues comparable to the roots of polynomials, spectral collocation, finite aspect rules, and Clenshaw-Curtis quadrature, are awarded from an introductory standpoint, and the Second Edition additionally features:

  • Chapters and sections that start with simple, ordinary fabric by way of slow assurance of extra complex material
  • Exercises starting from uncomplicated hand computations to demanding derivations and minor proofs to programming exercises
  • Widespread publicity and usage of MATLAB
  • An appendix that includes proofs of assorted theorems and different material

The publication is a perfect textbook for college kids in complex undergraduate arithmetic and engineering classes who're drawn to gaining an figuring out of numerical equipment and numerical analysis.

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Extra info for An Introduction to Numerical Methods and Analysis

Example text

The eightdigit calculation had no accurate digits. Subtractive cancellation is therefore something to avoid as much as possible, and to be aware of when it is unavoidable. Sometimes the problem with rounding error can be eliminated by increasing the precision of the computation. Traditionally, floating-point arithmetic systems used a single word for each number (single-precision) by default, and a second word could be used (doubleprecision) by properly specifying the type of data format to be used.

Can this be improved? Yes, it is possible to construct an equally accurate logarithm approximation that uses fewer computations. Problem 6 asks you to look into this by using a clever combination of logarithm expansions that results in faster convergence. Exercises: 1. Write each of the following in the form x = f x 2" for some / 6 [|, 1]. (a) x = 13; (b) x = 25; (c) x (d) X = 3' io· 2. 12). What is the error compared to the logarithm on your calculator? 3. Repeat the above for the degree 6 Taylor approximation.

Use the logarithm expansion from the previous problem, but limited to the degree 4 case, to compute approximations to the logarithm of each value in the first problem of this section. 8. Repeat the above, using the degree 10 approximation. 9. Implement (as a computer program) the logarithm approximation constructed in Problem 6. Compare it to the intrinsic logarithm function over the interval [\, 1]. What is the maximum observed error? 10. Try to use the ideas from this section to construct an approximation to the reciprocal function, f(x) — a: -1 , that is accurate to within 1 0 - 1 6 over the interval [|, 1].

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An Introduction to Numerical Methods and Analysis by James F. Epperson

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