Computer stuff

Since I don't expect you want to learn UNIX and all the stuff that goes along with it, all the information that I will give you here is related to WINPP which you can download by clicking the above link.



How do I ...

Finally some homework

  1. Draw direction fields for
  2. Try the following as well with a window |s|<2 and |y|<3; use initial conditions y(0)=0, 2, -2. Do these seem to exist for all values in the window?