Misprints
12-22-08 p. 195: Change "A convex function f(x) has a unique minimum that can be found" to "A minimizer of a convex function that is bounded below on a compact set can be found"
12-22-08 p. 214: In the last sentence in the paragraph before Challenge 19.2 "[r_2 n + 1]" should be "[r_1 n + 1]".
12-22-08 p. 233: Change "the difference between y(t+h) and y_{n+1}" to "the difference between y(t_n+h) and y_{n+1}".
12-22-08 p. 233: In Challenge 20.3, "point data" should be "data point".
12-22-08 p. 234 and p. 236: When the mean value theorem is used, set eta = (t_n, yhat), where yhat is between y_n and y(t_n).
12-22-08 p. 235: In the backward Euler displayed equation (just above "The geometry"), "h" should be "h_n".
12-22-08 p. 237: In Challenge 20.6, the superscripts "n+1" and "n" should be subscripts (5 changes).
12-22-08 p. 242: In the caption of Figure 20.9, change "factor of two" to "a factor of two".
12-22-08 p. 243: Two lines above Section 20.2.6, change "it is usually" to "it usually".
12-22-08 p. 243: In the definition of k_2, change "h" to "h_n".
12-22-08 p. 250: In the Sundials link, change the period after "gov" to "/". The link to Genda should be http://www.math.tu-berlin.de/numerik/mt/NumMat/Software .
11-01-09 p. 252: In the 4th bullet of Pointer 20.9, change "c(t) = 0" to "c(t) = 0 for t \in [0,1]".
12-22-08 p. 268: Change "integrate equation (1)" to "integrate equation (22.1)".
12-22-08 p. 269: Change "problem (1)" to "(22.1)".
12-22-08 p. 274: In Pointer 23.1, change "Challenge 23.5 and 23.6" to "Challenges 23.5 and 23.6".
09-08-09 p. 20: In Section 1.7, paragraph 3, change "If use" to "If we use".
09-18-09 p. 34: In the code fragment at the bottom of the page, remove "end" and put a semicolon after the last line.
10-02-09 p. 228: In the table, in the line for Example 1, change the minus sign after "c" to a plus sign.
10-05-09 In the last displayed equation on p. 236, change "h" to "h_n" twice.
10-06-09 p. 131: In Challenge 9.10, "Nelder-Meade" should be "Nelder-Mead".
10-19-09 p. 249: In the last equation, the subscript on alpha should be "j", not "i". Make the same change in the first equation on p. 250.
Errors in punctuation, formatting, etc.
12-22-08 Leading zeros should be used consistently: e.g., "h=.1" should be "h=0.1".
12-22-08 p. xiii, xiv, 17, 250, Be consistent about beginning urls with "http".
12-22-08 p. 41: Change the period at the end of the second bullet to a comma.
12-22-08 p. 226: Remove comma after "(20.1)" in the first line of Section 20.1.1.
12-22-08 p. 235: In Algorithm 20.2 change "t0, t1,...tN," to "t0, t1,...,tN," (add comma)
12-22-08 p. 246: Change "We can verify this a different way" to "We can verify this in a different way".
12-22-08 p. 369: In References [122] and [123], put the url in tt-font.