Direction Field, Phase Portrait, and Solution Curves ( DEplot )
Replace the question marks ( %? ) in the following input regions to create the direction field for your model.
> DOMAIN := t = 0 .. 1.5 ; # specify reasonable interval for indep var
> WINDOW := x = -3*Pi .. 3*Pi,
> y = -3*Pi .. 3*Pi ; # specify reasonable intervals for all dependent vars
>
Direction Field
Phase Portrait