By Martin Braun

ISBN-10: 038790266X

ISBN-13: 9780387902661

ISBN-10: 1468493604

ISBN-13: 9781468493603

Utilized in undergraduate study rooms around the united states, it is a sincerely written, rigorous creation to differential equations and their functions. totally comprehensible to scholars who've had three hundred and sixty five days of calculus, this booklet distinguishes itself from different differential equations texts via its enticing software of the subject material to attention-grabbing eventualities. This fourth version contains prior introductory fabric on bifurcation concept and provides a brand new bankruptcy on Sturm-Liouville boundary price difficulties. desktop courses in C, Pascal, and Fortran are awarded through the textual content to teach readers tips to practice differential equations in the direction of quantitative difficulties.

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**Additional resources for Differential Equations and Their Applications: An Introduction to Applied Mathematics**

**Example text**

EXERCISES 1. Solve the initial-value problem (2). 2. Let c = 0 in (5). Show that p (t) increases monotonically from 0 to N, and has no points of inflection. 3. Here is a heuristic argument to determine the behavior of the curve (5). If c' = 0, then we have a logistic curve, and if c = 0, then we have the behavior described in Exercise 2. Thus, if c is large relative to c', then we have a logistic curve, and if c is small relative to c' then we have the behavior illustrated in Exercise 2. (a) Let p(t) satisfy (4).

An object of mass m is projected vertically downward with initial velocity Vo in a medium offering resistance proportional to the square root of the magnitude of the velocity. 8 The dynamics of tumor growth, mixing problems, and orthogonal trajectories (a) Find a relation between the velocity V and the time t if the drag force equals cYV. (b) Find the terminal velocity of the object. Hint: You can find the terminal velocity even though you cannot solve for V (t). 10. A body of mass m falls from rest in a medium offering resistance proportional to the square of the velocity; that is, D = cV 2• Find V(t) and compute the terminal velocity VTIl.

07788, respectively. 788%, respectively. 9%, respectively. The reason for this discrepancy is that banks calculate a daily rate of interest based on 360 days, and they pay interest for each day money is on deposit. For a year, one gets five extra days. 788% by 365/360, and then we obtain the advertised values. 9% on an annual interest rate of 7t%. Thus they are inconsistent. 10. The presence of toxins in a certain medium destroys a strain of bacteria at a rate jointly proportional to the number of bacteria present and to the amount of toxin.

### Differential Equations and Their Applications: An Introduction to Applied Mathematics by Martin Braun

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Categories: Differential Equations