- chap_19_prob_1.R (solves chapter 19 problem 1)

- chap_19_prob_2.R (solves chapter 19 problem 2)

- chap_19_prob_4.R (solves chapter 19 problem 4)

- chap_19_prob_5.R (solves chapter 19 problem 5)

John Weatherwax Last modified: Fri Aug 1 16:08:43 EDT 2014