Printing Errors: Differential Equations : Graphics, Models, Data

Printing Errors and Other Inaccuracies

Last modified: Thursday, February 05, 2004

The Book

Page xiii. (Added 2/5/04.) Chapter 10 starts on page 437, not 315.

Page 24. (Added 2/5/04.) Exercise 2 needs the initial condition y(0) = 0.

Pages 58-59. (Added 9/20/00.) Figures 2.39, 2.40, and 2.41. On the y-axis replace –1, –2, –3 with –2, –4, –6.

Pages 63-64. Exercise 2(b). Replace C = 3/2 or C = –3/2 with C = 2/3 or C = –2/3.

Page 67. Figure 2.52. Delete the right-most arrow on the y-axis.

Page 67. (Added 2/5/04.) Figure 2.53 is missing from some printings.

Page 132. Exercise 5. In each of parts (a), (b), (c), (d), (e) and (f), replace yy' with y'.

Page 132. Exercise 5. Delete parts (g), (h), and (i) on page 132. (Do NOT delete parts (g), (h), and (i) on page 133.)

Page 151. Three lines above (4.42). Replace 0.00203 with 0.000203 (twice), and replace 0.00406 with 0.000406.

Page 164. Exercise 2. Replace Equation

with

. (Two changes: the b s were moved.)

Page 205. (Added 11/7/00.) Equation (5.54). Delete the second 400 +.

Page 256. Exercise 17(b). Replace (n+1/2) with n.

Page 290. Fourth line from end of Example 7.10. Replace [(6A + 2B) + 12Bt]te^t = 36te^t with [(6A + 2B) + 12Bt]e^t = 36te^t.(One change: a t on the left-hand side was deleted.)

Page 310. (Added 11/7/00.) Equation (7.38). Replace t + with t –. A similar correction applies to the caption of Figure 7.20.

Page 330. Exercise 6(b). Replace z = u(t)t with x = z(t)t.

Page 367. Exercise 12, parts (e), (f), and (g). Replace What are the solutions with What is the solution. (Three times.)

Page 398. Theorem 9.1, part 2(b). Replace sink with source.

Page 400. One line up from the bottom. Replace points with point.

Page 638. First equation. Replace (a_qx² + b_q + c_q)_mq with (a_qx² + b_q + c_q)^mq.

Page 659. Section 1.3. Answer to Exercise 3. Replace 1 with 1/2.

Page 662. Section 4.3. Answer to Exercise 11. Replace k < ln(0.72/26.6)/24 with |k| < |ln(0.72/26.6)/24|.

Page 662. Section 4.4. Answer to Exercise 7. Add where V = gm/k.

Page 666. Section 7.3. Answer to Exercise 1. Replace a = 2[64w² – 64w – 9] with a = 2[64w⁴ – 64w² – 25].

Page 670. Section 11.6. Answer to Exercise 5(e). Replace

with

. (One change: replaced + with –.) Replace

with

. (One change: replaced + with –.)

Page 670. Section 11.6. Answer to Exercise 5(k). Replace

with

. (One change: a square added.) Replace

with

. (Two changes: a square added and the final cos changed).

Page 670. Section 11.6. Answer to Exercise 7(a). Delete

The Student Solutions Manual

Page 77. Exercise 1(a). Replace x = y' with x' = y.