Page 37, 2.2.7,
show that your vector form for the 4th order R-K method is correct
when n=2 by writing it in component form.
3.
Page 37, 2.2.11,
describe the stability of each initial condition and hand in your
code with your solution. Undergraduates - use the Matlab routine ode23 . Graduates - write your own Heun's method.