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Differential Equations and Boundary Value Problems : Computing and Modeling
ISBN13:
by Edwards, C. Henry; Penney, David E.
9780130652454
0130652458
3rd
Hardcover
1/1/2008
Pearson College Div
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Summary
This practical book reflects the new technological emphasis that permeates differential equations, including the wide availability of scientific computing environments likeMaple, Mathematica, and MATLAB; it does not concentrate on traditional manual methods but rather on new computerbased methods that lead to a wider range of more realistic applications. The book starts and ends with discussions of mathematical modeling of realworld phenomena, evident in figures, examples, problems, and applications throughout the book. For mathematicians and those in the field of computer science.
Table of Contents
Application Modules  viii  
Preface  xi  

1  (76)  

1  (9)  

10  (8)  

18  (13)  

31  (15)  

46  (12)  

58  (19)  

77  (67)  

77  (13)  

90  (8)  

98  (12)  

110  (12)  

122  (10)  

132  (12)  

144  (98)  

144  (14)  

158  (12)  

170  (12)  

182  (13)  

195  (14)  

209  (13)  

222  (7)  

229  (13)  

242  (39)  

242  (12)  

254  (11)  

265  (16)  

281  (85)  

281  (19)  

300  (15)  

315  (13)  

328  (16)  

344  (14)  

358  (8)  

366  (69)  

366  (12)  

378  (15)  

393  (13)  

406  (17)  

423  (12)  

435  (62)  

435  (11)  

446  (11)  

457  (10)  

467  (8)  

475  (11)  

486  (11)  

497  (75)  

497  (13)  

510  (13)  

523  (16)  

539  (15)  

554  (9)  

563  (9)  

572  (73)  

572  (9)  

581  (8)  

589  (12)  

601  (5)  

606  (15)  

621  (14)  

635  (10)  

645  (66)  

645  (13)  

658  (10)  

668  (10)  

678  (15)  

693  (18)  
References for Further Study  711  (3)  
Appendix: Existence and Uniqueness of Solutions  714  (15)  
Answers to Selected Problems  729  
Index  1 
Excerpts
Many introductory differential equations courses in the recent past have emphasized the formal solution of standard types of differential equations using a (seeming) grabbag of systematic solution techniques. Many students have concentrated on learning to match memorized methods with memorized equations. The evolution of the present text is based on experience teaching a course with a greater emphasis on conceptual ideas and the use of applications and computing projects to involve students in more intense and sustained problemsolving experiences. The availability of technical computing environments likeMaple, Mathematica,and MATLAB is reshaping the role and applications of differential equations in science and engineering and has shaped our approach in this text. New technology motivates a shift in emphasis from traditional manual methods to both qualitative and computerbased methods that render accessible a wider range of more realistic applications; permit the use of both numerical computation and graphical visualization to develop greater conceptual understanding; and encourage empirical investigations that involve deeper thought and analysis than standard textbook problems. Major Features The following features of this text are intended to support a contemporary differential equations course that augments traditional core skills with conceptual perspectives that students will need for the effective use of differential equations in their subsequent work and study: Coverage of seldomused topics has been trimmed and new topics added to place a greater emphasis on core techniques as well as qualitative aspects of the subject associated with direction fields, solution curves, phase plane portraits, and dynamical systems. We combine symbolic, graphic, and numeric solution methods wherever it seems advantageous. A fresh computational flavor should be evident in figures, examples, problems, and applications throughout the text. About 15% of the examples in the text are new or newly revised for this edition. The organization of the book places an increased emphasis on linear systems of differential equations, which are covered in Chapters 4 and 5 (together with the necessary linear algebra), followed by a substantial treatment in Chapter 6 of nonlinear systems and phenomena (including chaos in dynamical systems). This book begins and ends with discussions and examples of the mathematical modeling of realworld phenomena. Students learn through mathematical modeling and empirical investigation to balance the questions of what equation to formulate, how to solve it, and whether a solution will yield useful information.,/LI> The first course in differential equations should also be a window on the world of mathematics. While it is neither feasible nor desirable to include proofs of the fundamental existence and uniqueness theorems along the way in an elementary course, students need to see precise and clearcut statements of these theorems and to understand their role in the subject. We include appropriate existence and uniqueness proofs in the Appendix and occasionally refer to them in the main body of the text. While our approach reflects the widespread use of new computer methods for the solution of differential equations, certain elementary analytical methods of solution (as in Chapters 1 and 3) are important for students to learn. Effective and reliable use of numerical methods often requires preliminary analysis using standard elementary techniques; the construction of a realistic numerical model often is based on the study of a simpler analytical model. We therefore continue to stress the mastery of traditional solution techniques (especially through the inclusion of extensive problem sets). Computing Features The following features highlight the flavor of computing technology that distinguishes much of