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Polynomials
Taschenbuch von Edward J Barbeau
Sprache: Englisch

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Beschreibung
The book extends the high school curriculum and provides a backdrop for later study in calculus, modern algebra, numerical analysis, and complex variable theory. Exercises introduce many techniques and topics in the theory of equations, such as evolution and factorization of polynomials, solution of equations, interpolation, approximation, and congruences. The theory is not treated formally, but rather illustrated through examples. Over 300 problems drawn from journals, contests, and examinations test understanding, ingenuity, and skill. Each chapter ends with a list of hints; there are answers to many of the exercises and solutions to all of the problems. In addition, 69 "explorations" invite the reader to investigate research problems and related topics.
The book extends the high school curriculum and provides a backdrop for later study in calculus, modern algebra, numerical analysis, and complex variable theory. Exercises introduce many techniques and topics in the theory of equations, such as evolution and factorization of polynomials, solution of equations, interpolation, approximation, and congruences. The theory is not treated formally, but rather illustrated through examples. Over 300 problems drawn from journals, contests, and examinations test understanding, ingenuity, and skill. Each chapter ends with a list of hints; there are answers to many of the exercises and solutions to all of the problems. In addition, 69 "explorations" invite the reader to investigate research problems and related topics.
Zusammenfassung

From the reviews:

"This book uses the medium of problems to enable us, the readers, to educate ourselves in matters polynomial. In each section we are led, after a brief introduction, into a sequence of problems on a certain topic. If we do these successfully, we find that we have mastered the basics of the topic ... I approached this book with some prejudice against its non-textbook approach; but it won me over entirely. It is not easy to write a book that will interest both the bright high-school student and the practicing mathematician. That it does so is a tribute to the author's scholarship, style, choice of material, and careful attention to detail." -Mathematical Reviews

Inhaltsverzeichnis
1 Fundamentals.- 1.1 The Anatomy of a Polynomial of a Single Variable.- 1.2 Quadratic Polynomials.- 1.3 Complex Numbers.- 1.4 Equations of Low Degree.- 1.5 Polynomials of Several Variables.- 1.6 Basic Number Theory and Modular Arithmetic.- 1.7 Rings and Fields.- 1.8 Problems on Quadratics.- 1.9 Other Problems.- Hints.- 2 Evaluation, Division, and Expansion.- 2.1 Horner's Method.- 2.2 Division of Polynomials.- 2.3 The Derivative.- 2.4 Graphing Polynomials.- 2.5 Problems.- Hints.- 3 Factors and Zeros.- 3.1 Irreducible Polynomials.- 3.2 Strategies for Factoring Polynomials over Z.- 3.3 Finding Integer and Rational Roots: Newton's Method of Divisors.- 3.4 Locating Integer Roots: Modular Arithmetic.- 3.5 Roots of Unity.- 3.6 Rational Functions.- 3.7 Problems on Factorization.- 3.8 Other Problems.- Hints.- 4 Equations.- 4.1 Simultaneous Equations in Two or Three Unknowns.- 4.2 Surd Equations.- 4.3 Solving Special Polynomial Equations.- 4.4 The Fundamental Theorem of Algebra: Intersecting Curves.- 4.5 The Fundamental Theorem: Functions of a Complex Variable.- 4.6 Consequences of the Fundamental Theorem.- 4.7 Problems on Equations in One Variable.- 4.8 Problems on Systems of Equations.- 4.9 Other Problems.- Hints.- 5 Approximation and Location of Zeros.- 5.1 Approximation of Roots.- 5.2 Tests for Real Zeros.- 5.3 Location of Complex Roots.- 5.4 Problems.- Hints.- 6 Symmetric Functions of the Zeros.- 6.1 Interpreting the Coefficients of a Polynomial.- 6.2 The Discriminant.- 6.3 Sums of the Powers of the Roots.- 6.4 Problems.- Hints.- 7 Approximations and Inequalities.- 7.1 Interpolation and Extrapolation.- 7.2 Approximation on an Interval.- 7.3 Inequalities.- 7.4 Problems on Inequalities.- 7.5 Other Problems.- Hints.- 8 Miscellaneous Problems.- E.62 Zeros of z?1[(1 + z)n ? 1 ? zn].- E.63 Two trigonometric products.- E.64 Polynomials all of whose derivatives have integer zeros.- E.65 Polynomials with equally spaced zeros.- E.66 Composition of polynomials of several variables.- E.67 The Mandelbrot set.- E.68 Sums of two squares.- E.69 Quaternions.- Hint.- Answers to Exercises and Solutions to Problems.- Notes on Explorations.- Further Reading.
Details
Medium: Taschenbuch
Reihe: Problem Books in Mathematics
Inhalt: xxii
455 S.
36 s/w Illustr.
ISBN-13: 9780387406275
ISBN-10: 0387406271
Sprache: Englisch
Ausstattung / Beilage: Paperback
Einband: Kartoniert / Broschiert
Autor: Barbeau, Edward J
Auflage: 1st ed. 1989. 3rd printing 2003
Hersteller: Springer New York
Springer US, New York, N.Y.
Problem Books in Mathematics
Maße: 235 x 155 x 27 mm
Von/Mit: Edward J Barbeau
Erscheinungsdatum: 09.10.2003
Gewicht: 0,727 kg
Artikel-ID: 102511043
Zusammenfassung

From the reviews:

"This book uses the medium of problems to enable us, the readers, to educate ourselves in matters polynomial. In each section we are led, after a brief introduction, into a sequence of problems on a certain topic. If we do these successfully, we find that we have mastered the basics of the topic ... I approached this book with some prejudice against its non-textbook approach; but it won me over entirely. It is not easy to write a book that will interest both the bright high-school student and the practicing mathematician. That it does so is a tribute to the author's scholarship, style, choice of material, and careful attention to detail." -Mathematical Reviews

Inhaltsverzeichnis
1 Fundamentals.- 1.1 The Anatomy of a Polynomial of a Single Variable.- 1.2 Quadratic Polynomials.- 1.3 Complex Numbers.- 1.4 Equations of Low Degree.- 1.5 Polynomials of Several Variables.- 1.6 Basic Number Theory and Modular Arithmetic.- 1.7 Rings and Fields.- 1.8 Problems on Quadratics.- 1.9 Other Problems.- Hints.- 2 Evaluation, Division, and Expansion.- 2.1 Horner's Method.- 2.2 Division of Polynomials.- 2.3 The Derivative.- 2.4 Graphing Polynomials.- 2.5 Problems.- Hints.- 3 Factors and Zeros.- 3.1 Irreducible Polynomials.- 3.2 Strategies for Factoring Polynomials over Z.- 3.3 Finding Integer and Rational Roots: Newton's Method of Divisors.- 3.4 Locating Integer Roots: Modular Arithmetic.- 3.5 Roots of Unity.- 3.6 Rational Functions.- 3.7 Problems on Factorization.- 3.8 Other Problems.- Hints.- 4 Equations.- 4.1 Simultaneous Equations in Two or Three Unknowns.- 4.2 Surd Equations.- 4.3 Solving Special Polynomial Equations.- 4.4 The Fundamental Theorem of Algebra: Intersecting Curves.- 4.5 The Fundamental Theorem: Functions of a Complex Variable.- 4.6 Consequences of the Fundamental Theorem.- 4.7 Problems on Equations in One Variable.- 4.8 Problems on Systems of Equations.- 4.9 Other Problems.- Hints.- 5 Approximation and Location of Zeros.- 5.1 Approximation of Roots.- 5.2 Tests for Real Zeros.- 5.3 Location of Complex Roots.- 5.4 Problems.- Hints.- 6 Symmetric Functions of the Zeros.- 6.1 Interpreting the Coefficients of a Polynomial.- 6.2 The Discriminant.- 6.3 Sums of the Powers of the Roots.- 6.4 Problems.- Hints.- 7 Approximations and Inequalities.- 7.1 Interpolation and Extrapolation.- 7.2 Approximation on an Interval.- 7.3 Inequalities.- 7.4 Problems on Inequalities.- 7.5 Other Problems.- Hints.- 8 Miscellaneous Problems.- E.62 Zeros of z?1[(1 + z)n ? 1 ? zn].- E.63 Two trigonometric products.- E.64 Polynomials all of whose derivatives have integer zeros.- E.65 Polynomials with equally spaced zeros.- E.66 Composition of polynomials of several variables.- E.67 The Mandelbrot set.- E.68 Sums of two squares.- E.69 Quaternions.- Hint.- Answers to Exercises and Solutions to Problems.- Notes on Explorations.- Further Reading.
Details
Medium: Taschenbuch
Reihe: Problem Books in Mathematics
Inhalt: xxii
455 S.
36 s/w Illustr.
ISBN-13: 9780387406275
ISBN-10: 0387406271
Sprache: Englisch
Ausstattung / Beilage: Paperback
Einband: Kartoniert / Broschiert
Autor: Barbeau, Edward J
Auflage: 1st ed. 1989. 3rd printing 2003
Hersteller: Springer New York
Springer US, New York, N.Y.
Problem Books in Mathematics
Maße: 235 x 155 x 27 mm
Von/Mit: Edward J Barbeau
Erscheinungsdatum: 09.10.2003
Gewicht: 0,727 kg
Artikel-ID: 102511043
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