Homework 1

Due: Friday, September 7, 2001

Reading: Gerald and Wheatley 6th Edition, Chapter 0

The following problems are on pages 34-35 of the text:

1. 15
2. Answer for 16 which was not assigned: Total numbers = 180,001, largest + = 0.9999E5, most negative = -0.9999E5, closest to zero 0.1000E-4 and -0.1000E-4.
3. 17
4. 18 For this problem the text uses S(10,3,-9,9). The text gives examples of rounding and chopping. Answers are given in the back of the book:
   • a. 0123E2 (chop) 0.123E2 (round)
   • b.-0.319E-1 (chop); -0.320E-1 (round)
   • c. 0.122E2 (chop); 0.123E2 (round)
   • d. -0.288E3 (chop); -0.289E3 (round)
   • e. 0.130E3 (chop); 0.130E3 (round)
   • f. -0.156E5 (chop); -0.156E5 (round)
   • g. 0.123E-6 (chop); 0.123E6 (round)
5. 21
6. 22
7. 24 answer in book: Exact = -1.297387 chopped 3 digits = -1.31, relative error = -0.00972 Round 3 digits = -1.30, relative error = -0.00201

Back to Cover Page