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Are Numbers Real?

2016-12-06 Mathematics
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Release : 2016-12-06
Genre : Mathematics
Kind : eBook
Book Rating : 041/5 ( reviews)

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Book Synopsis Are Numbers Real? by : Brian Clegg

Download or read book Are Numbers Real? written by Brian Clegg. This book was released on 2016-12-06. Available in PDF, EPUB and Kindle. Book excerpt: Presents an accessible, in-depth look at the history of numbers and their applications in life and science, from math's surreal presence in the virtual world to the debates about the role of math in science.

Which Numbers Are Real?

2012-12-31 Mathematics
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Release : 2012-12-31
Genre : Mathematics
Kind : eBook
Book Rating : 073/5 ( reviews)

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Book Synopsis Which Numbers Are Real? by : Michael Henle

Download or read book Which Numbers Are Real? written by Michael Henle. This book was released on 2012-12-31. Available in PDF, EPUB and Kindle. Book excerpt: Everyone knows the real numbers, those fundamental quantities that make possible all of mathematics from high school algebra and Euclidean geometry through the Calculus and beyond; and also serve as the basis for measurement in science, industry, and ordinary life. This book surveys alternative real number systems: systems that generalize and extend the real numbers yet stay close to these properties that make the reals central to mathematics. Alternative real numbers include many different kinds of numbers, for example multidimensional numbers (the complex numbers, the quaternions and others), infinitely small and infinitely large numbers (the hyperreal numbers and the surreal numbers), and numbers that represent positions in games (the surreal numbers). Each system has a well-developed theory, including applications to other areas of mathematics and science, such as physics, the theory of games, multi-dimensional geometry, and formal logic. They are all active areas of current mathematical research and each has unique features, in particular, characteristic methods of proof and implications for the philosophy of mathematics, both highlighted in this book. Alternative real number systems illuminate the central, unifying role of the real numbers and include some exciting and eccentric parts of mathematics. Which Numbers Are Real? Will be of interest to anyone with an interest in numbers, but specifically to upper-level undergraduates, graduate students, and professional mathematicians, particularly college mathematics teachers.

A Dictionary of Real Numbers

2012-12-06 Mathematics
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Release : 2012-12-06
Genre : Mathematics
Kind : eBook
Book Rating : 104/5 ( reviews)

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Book Synopsis A Dictionary of Real Numbers by : Jonathan Borwein

Download or read book A Dictionary of Real Numbers written by Jonathan Borwein. This book was released on 2012-12-06. Available in PDF, EPUB and Kindle. Book excerpt: How do we recognize that the number . 93371663 . . . is actually 2 IoglQ(e + 7r)/2 ? Gauss observed that the number 1. 85407467 . . . is (essentially) a rational value of an elliptic integral-an observation that was critical in the development of nineteenth century analysis. How do we decide that such a number is actually a special value of a familiar function without the tools Gauss had at his disposal, which were, presumably, phenomenal insight and a prodigious memory? Part of the answer, we hope, lies in this volume. This book is structured like a reverse telephone book, or more accurately, like a reverse handbook of special function values. It is a list of just over 100,000 eight-digit real numbers in the interval [0,1) that arise as the first eight digits of special values of familiar functions. It is designed for people, like ourselves, who encounter various numbers computationally and want to know if these numbers have some simple form. This is not a particularly well-defined endeavor-every eight-digit number is rational and this is not interesting. However, the chances of an eight digit number agreeing with a small rational, say with numerator and denominator less than twenty-five, is small. Thus the list is comprised primarily of special function evaluations at various algebraic and simple transcendental values. The exact numbers included are described below. Each entry consists of the first eight digits after the decimal point of the number in question.

Real Numbers

2017-09-30 Business & Economics
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Release : 2017-09-30
Genre : Business & Economics
Kind : eBook
Book Rating : 109/5 ( reviews)

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Book Synopsis Real Numbers by : Jean E. Cunningham

Download or read book Real Numbers written by Jean E. Cunningham. This book was released on 2017-09-30. Available in PDF, EPUB and Kindle. Book excerpt: How management accounting evolved with Lean principles.

The Real Numbers

2013-10-16 Mathematics
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Release : 2013-10-16
Genre : Mathematics
Kind : eBook
Book Rating : 77X/5 ( reviews)

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Book Synopsis The Real Numbers by : John Stillwell

Download or read book The Real Numbers written by John Stillwell. This book was released on 2013-10-16. Available in PDF, EPUB and Kindle. Book excerpt: While most texts on real analysis are content to assume the real numbers, or to treat them only briefly, this text makes a serious study of the real number system and the issues it brings to light. Analysis needs the real numbers to model the line, and to support the concepts of continuity and measure. But these seemingly simple requirements lead to deep issues of set theory—uncountability, the axiom of choice, and large cardinals. In fact, virtually all the concepts of infinite set theory are needed for a proper understanding of the real numbers, and hence of analysis itself. By focusing on the set-theoretic aspects of analysis, this text makes the best of two worlds: it combines a down-to-earth introduction to set theory with an exposition of the essence of analysis—the study of infinite processes on the real numbers. It is intended for senior undergraduates, but it will also be attractive to graduate students and professional mathematicians who, until now, have been content to "assume" the real numbers. Its prerequisites are calculus and basic mathematics. Mathematical history is woven into the text, explaining how the concepts of real number and infinity developed to meet the needs of analysis from ancient times to the late twentieth century. This rich presentation of history, along with a background of proofs, examples, exercises, and explanatory remarks, will help motivate the reader. The material covered includes classic topics from both set theory and real analysis courses, such as countable and uncountable sets, countable ordinals, the continuum problem, the Cantor–Schröder–Bernstein theorem, continuous functions, uniform convergence, Zorn's lemma, Borel sets, Baire functions, Lebesgue measure, and Riemann integrable functions.

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