Read up to page 78 of Ortega (2nd handout). Also read
sections 16.0 and 16.1 of numerical recipes online (link is
on the PHY201 homepage)
PROBLEMS
1. From Ortega, do the following Exersizes: 2.10.1, 2.10.2, 2.10.3 (plot
the solution using xmgrace), 2.10.4, 2.10.5 (plot x(t), y(t) and the
(x,y) behaviors using xmgrace).
2. Add this week's commands to your list of FORTRAN commands.
Hand in a copy of your list.