phase trajectory plot

Hi guys, I need your help to know how to draw the phase trajectory of a system in the phase plane. the system is represented by diffrential eguations or state space representation. your help is greatly appriciated

Answer 1

[Abhishek Murthy]

Two options:

1. pplane at http://math.rice.edu/~dfield/dfpp.html

2. Quiver command

Hope this helps.