Direction Field Examples

for Mathematica 7.0.

VectorPlot[{1,y},{x,-5,5},{y,-2,2},Axes->True]

VectorPlot[{1,Cos[y]},{x,-10,10},{y,-8,8},Axes->True]

VectorPlot[{1,y-x},{x,-10,10},{y,-8,8},Axes->True]

VectorPlot[{1,y*x},{x,-10,10},{y,-8,8},Axes->True]