Emams, you should totally use Mathematica !! http://www.youtube.com/watch?v=EdzlwmoDkXwhttp://demonstrations.wolfram.com/PhasePortraitAndFieldDirectionsOfTwoDimensionalLinearSystems/
Recently I got "Wolfram Mathematica 8" it is really awesome tool thanks
Emams, you should totally use Mathematica !!
http://www.youtube.com/watch?v=EdzlwmoDkXw
http://demonstrations.wolfram.com/PhasePortraitAndFieldDirectionsOfTwoDimensionalLinearSystems/
Recently I got "Wolfram Mathematica 8" it is really awesome tool
thanks