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.

> IC := [ ? = ?, ? = ? ] ; # specify an initial condition (not needed for direction field)

> DOMAIN := ? = ? .. ? ; # specify reasonable interval for indep var

> RANGE := ? = ? .. ?, ? = ? .. ? ; # specify reasonable intervals for all dep vars

>

Direction Field

Phase Portrait

Solution Curves